Online English Vocabulary Flashcards for Suffix -able Words

abominable (adjective) /əˈbɒm(ɪ)nəbl/
Definition: Extremely unpleasant, offensive or morally reprehensible.
Example Sentence: "The abominable crime scene left the investigators shocked and disturbed."
Synonyms: atrocious; despicable; detestable; disgusting; foul; horrible
Opposite Meaning: delightful

acceptable (adjective) /ækˈsɛp tə bəl/
Definition: Meeting the required standards, criteria, or expectations.
Example Sentence: "After careful consideration, the committee reached an acceptable solution."
Synonyms: adequate; admissible; allowable; appropriate; decent; fine
Opposite Meaning: unsatisfactory

admirable (adjective) /ˈæd mər ə bəl/
Definition: Worthy of admiration, respect, or approval.
Example Sentence: "The young athlete's discipline and commitment to training are admirable traits."
Synonyms: commendable; estimable; exemplary; honorable; laudable; meritorious
Opposite Meaning: deplorable

affable (adjective) /ˈafəbl/
Definition: Friendly, approachable, and easy to engage with in social interactions.
Example Sentence: "His affable nature helped diffuse tense situations during team meetings."
Synonyms: agreeable; amiable; civil; congenial; cordial; likeable
Opposite Meaning: unfriendly

agreeable (adjective) /əˈgri ə bəl/
Definition: Pleasant, enjoyable, or easily accepted.
Example Sentence: "Sarah had an agreeable personality, always smiling and ready to lend a helping hand."
Synonyms: affable; amiable; charming; congenial; delightful; enjoyable
Opposite Meaning: disagreeable

amenable (adjective) /əˈmiːnəbl/
Definition: Willing to cooperate, comply or be responsive to suggestions or requests.
Example Sentence: "He is generally amenable to others' suggestions when working on group projects."
Synonyms: accommodating; acquiescent; adaptable; agreeable; compliant; cooperative
Opposite Meaning: uncooperative

amiable (adjective) /ˈeɪ mi ə bəl/
Definition: Friendly, pleasant, and likable.
Example Sentence: "He has an amiable personality that instantly puts people at ease."
Synonyms: affable; agreeable; approachable; charming; congenial; cordial
Opposite Meaning: unfriendly

amicable (adjective) /ˈamɪkəbl/
Definition: Having a friendly and cooperative relationship between individuals or parties.
Example Sentence: "The two sides reached an amicable settlement in court."
Synonyms: affable; agreeable; amiable; civil; companionable; conciliatory
Opposite Meaning: hostile

biddable (adjective) /ˈbɪdəbəl/
Definition: Compliant, obedient, and easily influenced or directed by others.
Example Sentence: "The biddable student never questioned her teacher's authority."
Synonyms: acquiescent; amenable; controllable; cooperative; meek; pliable
Opposite Meaning: defiant

charitable (adjective) /tʃærɪtəbəl/
Definition: Demonstrating kindness, compassion, and generosity towards others, particularly those in need or less fortunate.
Example Sentence: "They organized a charitable event to raise funds for children in need."
Synonyms: altruistic; benevolent; compassionate; generous; giving; humanitarian
Opposite Meaning: selfish

culpable (adjective) /ˈkʌlpəb(ə)l/
Definition: Deserving of blame, guilt, or responsibility for a particular action, decision, or situation.
Example Sentence: "The judge ruled that the company was culpable for the harm caused by their product."
Synonyms: accountable; answerable; blameworthy; censurable; errant; guilty
Opposite Meaning: innocent

dependable (adjective) /dɪˈpɛn də bəl/
Definition: Relied upon or trusted to perform consistently and reliably.
Example Sentence: "He is a dependable friend who is always there when you need him."
Synonyms: certain; consistent; constant; faithful; loyal; reliable
Opposite Meaning: unreliable

deplorable (adjective) /dɪˈplɔr ə bəl/
Definition: Deserving of strong condemnation, disapproval, or censure due to being extremely bad, unfortunate, or unacceptable.
Example Sentence: "The living conditions in the slums were deplorable, with overcrowded and unsanitary conditions."
Synonyms: abhorrent; appalling; despicable; disgraceful; lamentable; objectionable
Opposite Meaning: commendable

detestable (adjective) /dɪˈtɛs tə bəl/
Definition: Deserving of strong dislike, aversion, or intense hatred.
Example Sentence: "He found her dishonesty to be detestable and broke off all contact with her."
Synonyms: abominable; contemptible; despicable; disgusting; execrable; hateful
Opposite Meaning: admirable

dishonorable (adjective) /dɪsˈɒn ər ə bəl/
Definition: Lacking honor, integrity, or ethical principles.
Example Sentence: "The dishonorable politician was voted out of office in the next election."
Synonyms: corrupt; deceitful; dishonest; disreputable; fraudulent; ignoble
Opposite Meaning: honorable

disreputable (adjective) /dɪsˈrɛpjʊtəbl/
Definition: Considered to be lacking in respectability, honor, or moral integrity.
Example Sentence: "The disreputable company was known for its shady business practices."
Synonyms: contemptible; discreditable; disgraceful; dishonorable; dubious; ignoble
Opposite Meaning: reputable

equitable (adjective) /ˈɛkwɪtəbl/
Definition: Pertaining to a sense of fairness, justice, and impartiality in the distribution of resources, opportunities, or benefits.
Example Sentence: "The organization's mission is to promote equitable access to education."
Synonyms: egalitarian; equal; ethical; evenhanded; fair; honest
Opposite Meaning: unfair

execrable (adjective) /ˈɛk sɪ krə bəl/
Definition: Extremely bad, abominable, or detestable in nature.
Example Sentence: "Her singing was so execrable that the audience covered their ears in agony."
Synonyms: abominable; appalling; atrocious; deplorable; despicable; detestable
Opposite Meaning: admirable

favorable (adjective) /ˈfeɪ vər ə bəl/
Definition: Advantageous, beneficial, or positive.
Example Sentence: "The weather forecast predicts favorable conditions for the picnic tomorrow."
Synonyms: advantageous; auspicious; beneficial; conducive; encouraging; gratifying
Opposite Meaning: unfavorable

flammable (adjective) flammable
/ˈflaməbl/
Definition: A substance that is easily ignited and capable of catching fire or burning rapidly.
Example Sentence: "The chemical plant had to evacuate when a flammable gas leak was detected."
Synonyms: burnable; combustible; explosive; fiery; ignitable; incendiary
Opposite Meaning: nonflammable

formidable (adjective) /ˈfɔːmɪdəbl/
Definition: Inspiring fear, awe, or admiration due to someone or something's impressive or imposing qualities.
Example Sentence: "The mountain range presented a formidable challenge for the hikers."
Synonyms: challenging; daunting; difficult; fearsome; Herculean; imposing
Opposite Meaning: weak

heritable (adjective) /ˈhɛr ɪ tə bəl/
Definition: Passed down from one generation to another through genetic inheritance.
Example Sentence: "Eye color is a heritable trait that is influenced by genetic factors."
Synonyms: ancestral; familial; genetic; genetical; hereditary; inheritable
Opposite Meaning: noninheritable

honorable (adjective) /ˈɒn ər ə bəl/
Definition: Possessing qualities of integrity, honesty, and moral uprightness.
Example Sentence: "The soldier received an honorable discharge for his dedicated service."
Synonyms: decent; dignified; ethical; fair; just; noble
Opposite Meaning: dishonorable

hospitable (adjective) /hɒˈspɪtəbl/
Definition: Welcoming, friendly, and generous in accommodating guests or visitors.
Example Sentence: "The locals were known for their hospitable nature towards visitors."
Synonyms: amicable; congenial; cordial; courteous; generous; genial
Opposite Meaning: unwelcoming

immeasurable (adjective) /ɪˈmɛʒ ər ə bəl/
Definition: Cannot be measured or quantified accurately due to its vastness, extent, or magnitude.
Example Sentence: "The immeasurable beauty of the mountains took my breath away."
Synonyms: boundless; endless; immense; incalculable; inexhaustible; infinite
Opposite Meaning: limited

immutable (adjective) /ɪˈmjuːtəb(ə)l/
Definition: Unchanging, unalterable, or incapable of being modified or transformed.
Example Sentence: "The laws of physics are immutable and cannot be changed."
Synonyms: changeless; constant; enduring; fixed; invariable; perpetual
Opposite Meaning: changeable

impenetrable (adjective) /ɪmˈpɛnɪtrəbl/
Definition: Impossible to pass through, break into, or understand, typically due to extreme density, toughness, complexity, or obscurity.
Example Sentence: "The fortress was protected by an impenetrable wall that kept out invaders."
Synonyms: bulletproof; hermetic; impassable; impermeable; impervious; inaccessible
Opposite Meaning: permeable

impermeable (adjective) /ɪmˈpɜr mi ə bəl/
Definition: Resistant or impervious to the passage or penetration of substances or elements, such as liquids, gases, or even light.
Example Sentence: "A surgeon's gloves are impermeable to bacteria, providing a safe environment during medical procedures."
Synonyms: impenetrable; impervious; impregnable; indestructible; invulnerable; resistant
Opposite Meaning: permeable

imperturbable (adjective) /ˌɪmpəˈtəːbəbl/
Definition: Calm, composed, and unshakable, even in difficult or stressful situations.
Example Sentence: "He was an imperturbable negotiator, never getting flustered or agitated."
Synonyms: collected; cool; equanimous; serene; stoic; tranquil
Opposite Meaning: excitable

implacable (adjective) /ɪmˈplakəb(ə)l/
Definition: Characterized by an unwavering, unyielding, and unrelenting determination or hostility that cannot be appeased or pacified.
Example Sentence: "Despite his best efforts, he could not appease his implacable boss."
Synonyms: adamant; determined; inexorable; inflexible; intractable; relentless
Opposite Meaning: flexible

imponderable (adjective) /ɪmˈpɒndərəbᵊl/
Definition: Cannot be measured, weighed, or evaluated using traditional methods.
Example Sentence: "The imponderable beauty of the sunset left us speechless."
Synonyms: elusive; enigmatic; immeasurable; indefinable; indescribable; inexplicable
Opposite Meaning: measurable

impregnable (adjective) /ɪmˈprɛɡnəbl/
Definition: Exceptionally strong, secure, and resistant to being conquered, breached, or overcome.
Example Sentence: "The city's defenses were impregnable, making it difficult to conquer."
Synonyms: formidable; fortified; impenetrable; impervious; indestructible; invincible
Opposite Meaning: vulnerable

impressionable (adjective) /ɪmˈprɛʃ(ə)nəb(ə)l/
Definition: Easily influenced or affected by external factors.
Example Sentence: "The impressionable teenager was easily swayed by peer pressure."
Synonyms: adaptable; easygoing; flexible; gullible; influenceable; malleable
Opposite Meaning: unswayed

inalienable (adjective) /ɪnˈeɪlɪənəb(ə)l/
Definition: Cannot be taken away, transferred, or given away without the consent of the person or group that holds it.
Example Sentence: "The right to freedom of speech is considered an inalienable human right."
Synonyms: absolute; inherent; inviolable; natural; nonnegotiable; sacrosanct
Opposite Meaning: forfeitable

inarguable (adjective) /ɪnˈɑr gyu ə bəl/
Definition: Beyond dispute, or unquestionable.
Example Sentence: "The sun rising in the east is an inarguable fact."
Synonyms: absolute; certain; clear; conclusive; definitive; evident
Opposite Meaning: disputable

inconceivable (adjective) /ˌɪnkənˈsiːvəbl/
Definition: Difficult or impossible to imagine, believe, or understand.
Example Sentence: "The notion that we are alone in the universe is inconceivable to some."
Synonyms: boggling; implausible; impossible; incomprehensible; incredible; incredulous
Opposite Meaning: plausible

inconsolable (adjective) /ˌɪnkənˈsəʊləbl/
Definition: Extremely sad or distressed to the point where they cannot be comforted or consoled.
Example Sentence: "She was inconsolable after the death of her beloved pet."
Synonyms: brokenhearted; dejected; desolate; despairing; devastated; heartbroken
Opposite Meaning: comforted

indefatigable (adjective) /ˌɪndɪˈfatɪɡəb(ə)l/
Definition: Determined and persistent without ever tiring or admitting defeat.
Example Sentence: "His indefatigable energy turned the failing business into a successful enterprise."
Synonyms: assiduous; dogged; relentless; tenacious; tireless; unfaltering
Opposite Meaning: exhausted

indispensable (adjective) /ˌɪndɪˈspɛnsəbl/
Definition: Essential or vital for something to function or be successful.
Example Sentence: "Honesty is an indispensable quality for building trust in relationships."
Synonyms: critical; crucial; fundamental; imperative; integral; key
Opposite Meaning: unnecessary

indistinguishable (adjective) /ˌɪn dɪˈstɪŋ gwɪ ʃə bəl/
Definition: Unable to be distinguish or differentiate from something else.
Example Sentence: "The twins looked so similar that they were virtually indistinguishable from each other."
Synonyms: alike; duplicate; equal; homogeneous; identical; interchangeable
Opposite Meaning: distinguishable

indomitable (adjective) /ɪnˈdɒmɪtəbl/
Definition: Invincible, unyielding, and unable to be subdued or defeated, even in the face of adversity or seemingly insurmountable challenges.
Example Sentence: "The team's indomitable spirit helped them win the championship."
Synonyms: determined; invincible; invulnerable; relentless; resolute; unassailable
Opposite Meaning: weak

inescapable (adjective) /ˌɪn əˈskeɪ pə bəl/
Definition: Cannot be avoided, evaded, or escaped from.
Example Sentence: "The inescapable heat of the desert sun was draining our energy by the minute."
Synonyms: bound; certain; compulsory; fated; ineluctable; inevitable
Opposite Meaning: avoidable

inevitable (adjective) /ɪnˈɛvɪtəb(ə)l/
Definition: Bound to happen or occur due to factors or circumstances that cannot be avoided or changed.
Example Sentence: "The outcome of the trial seemed inevitable, given the weight of the evidence."
Synonyms: assured; certain; destined; fated; fixed; forthcoming
Opposite Meaning: preventable

inexorable (adjective) /ɪnˈɛks(ə)rəb(ə)l/
Definition: Unyielding, relentless, and incapable of being influenced, persuaded, or stopped by any means.
Example Sentence: "The inexorable march of time could not be stopped."
Synonyms: adamant; implacable; inescapable; inevitable; inflexible; intransigent
Opposite Meaning: flexible

inexplicable (adjective) /ˌɪnɪkˈsplɪkəbl/
Definition: Difficult or impossible to understand, explain, or justify.
Example Sentence: "The accident was inexplicable and the cause is still unknown."
Synonyms: baffling; bewildering; confounding; enigmatic; impenetrable; incomprehensible
Opposite Meaning: explainable

inextricable (adjective) /ˌɪnɪkˈstrɪkəbl/
Definition: Impossible to separate or disentangle from another thing or things.
Example Sentence: "The inextricable link between poverty and crime is well-documented."
Synonyms: complex; convoluted; enmeshed; inalienable; indissoluble; inseparable
Opposite Meaning: separable

inimitable (adjective) /ɪˈnɪmətəbəl/
Definition: So unique, exceptional, or distinctive that it cannot be successfully imitated, copied, or replicated.
Example Sentence: "He has an inimitable sense of humor that always makes us laugh."
Synonyms: distinctive; exceptional; extraordinary; incomparable; incomprehensible; matchless
Opposite Meaning: common

inoperable (adjective) /ɪnˈɒp ər ə bəl/
Definition: Cannot be operated on or treated due to its condition, location, or complexity.
Example Sentence: "The engine failure rendered the airplane inoperable, leading to the cancellation of the flight."
Synonyms: disabled; futile; impossible; impracticable; incapacitated; ineffective
Opposite Meaning: functional

insatiable (adjective) /ɪnˈseɪʃəb(ə)l/
Definition: Having an intense and unquenchable appetite, desire, or craving that cannot be satisfied or fulfilled.
Example Sentence: "The company's insatiable drive for profits sometimes overshadowed ethical considerations."
Synonyms: bottomless; boundless; endless; greedy; insatiate; intemperate
Opposite Meaning: satisfied

inscrutable (adjective) /ɪnˈskruːtəb(ə)l/
Definition: Mysterious, enigmatic, or impossible to understand or interpret.
Example Sentence: "The inscrutable gaze of the customs official filled him with fear and anxiety."
Synonyms: cryptic; enigmatic; hidden; impenetrable; incomprehensible; inexplicable
Opposite Meaning: clear

inseparable (adjective) /ɪnˈsɛp(ə)rəbl/
Definition: Having a close and unbreakable connection between two or more things or individuals.
Example Sentence: "The two brothers were inseparable, always playing and exploring together."
Synonyms: attached; close; conjoined; connected; devoted; entwined
Opposite Meaning: distant

insufferable (adjective) /ɪnˈsʌf(ə)rəbl/
Definition: Extremely difficult to tolerate, bear, or endure due to annoying, irritating, or unbearable qualities.
Example Sentence: "The insufferable noise from the construction made it impossible to concentrate."
Synonyms: aggravating; annoying; distressing; dreadful; exasperating; horrible
Opposite Meaning: tolerable

insuperable (adjective) /ɪnˈs(j)uːp(ə)rəbl/
Definition: Impossible to overcome or surmount, usually due to its immense difficulty or complexity.
Example Sentence: "The language barrier presented an insuperable obstacle for the travelers."
Synonyms: impassable; impossible; impregnable; indomitable; insurmountable; invincible
Opposite Meaning: surmountable

insurmountable (adjective) /ˌɪnsəˈmaʊntəbl/
Definition: Impossible to overcome, conquer, or surpass due to its formidable, overwhelming, or unconquerable nature.
Example Sentence: "The prospect of rebuilding after the earthquake felt insurmountable to some."
Synonyms: formidable; hopeless; impassable; impossible; impregnable; indomitable
Opposite Meaning: surmountable

interminable (adjective) /ɪnˈtɜr mə nə bəl/
Definition: Seemingly endless, or excessively long and tedious, often to the point of being never-ending or without a foreseeable end.
Example Sentence: "The movie's interminable running time made it difficult to stay engaged."
Synonyms: ceaseless; constant; continual; eternal; perpetual; unceasing
Opposite Meaning: brief

intolerable (adjective) /ɪnˈtɒl ər ə bəl/
Definition: Completely unacceptable, unbearable, or impossible to endure.
Example Sentence: "The pain in her knee had become intolerable, requiring immediate medical attention."
Synonyms: egregious; execrable; inadmissible; inexcusable; insufferable; offensive
Opposite Meaning: tolerable

intractable (adjective) /ɪnˈtraktəbl/
Definition: Extremely difficult to manage, control, or resolve due to its stubborn, unyielding, or resistant nature.
Example Sentence: "The intractable behavior of the employee led to disciplinary action."
Synonyms: immovable; inflexible; obdurate; obstinate; recalcitrant; refractory
Opposite Meaning: manageable

inviolable (adjective) /ɪnˈvaɪ ə lə bəl/
Definition: Absolutely sacred, secure, or untouchable, and cannot be violated, compromised, or infringed upon under any circumstances.
Example Sentence: "The embassy grounds are considered inviolable under international law."
Synonyms: hallowed; impregnable; invulnerable; protected; sacrosanct; sanctified
Opposite Meaning: violable

irreconcilable (adjective) /ɪˈrɛkənsaɪləbᵊl/
Definition: Incapable of being resolved or brought into agreement.
Example Sentence: "The couple's irreconcilable differences led to their divorce."
Synonyms: antagonistic; clashing; conflicting; contradictory; divisive; implacable
Opposite Meaning: harmonious

irrefutable (adjective) /ˌɪrɪˈfjuːtəbl/
Definition: Absolutely indisputable, beyond any doubt or argument, and impossible to refute or contradict.
Example Sentence: "The detective gathered irrefutable evidence that led to the arrest of the culprit."
Synonyms: absolute; certain; clear; evident; incontestable; incontrovertible
Opposite Meaning: disputable

irreproachable (adjective) /ɪrɪˈprəʊtʃəb(ə)l/
Definition: Faultless, blameless, or beyond criticism or reproach.
Example Sentence: "The pilot's safety record was irreproachable, instilling confidence in the passengers."
Synonyms: exceptional; exemplary; faultless; flawless; honorable; immaculate
Opposite Meaning: blameworthy

lamentable (adjective) /ˈlam(ɪ)ntəbl/
Definition: Deeply regrettable, unfortunate, or deserving of sorrow or lamentation.
Example Sentence: "The loss of the team's star player was a lamentable turn of events."
Synonyms: deplorable; distressing; grievous; heartbreaking; miserable; sad
Opposite Meaning: fortunate

laudable (adjective) /ˈlɔːdəb(ə)l/
Definition: Deserving of praise, admiration, and commendation due to one's moral virtue, excellence, or positive impact.
Example Sentence: "His service to the armed forces is laudable and worthy of honor."
Synonyms: admirable; applaudable; commendable; creditable; deserving; estimable
Opposite Meaning: disgraceful

malleable (adjective) /ˈmalɪəb(ə)l/
Definition: Easily shaped or molded, either physically or metaphorically.
Example Sentence: "The child's mind was malleable and easily influenced."
Synonyms: adaptable; amenable; compliant; ductile; flexible; impressionable
Opposite Meaning: rigid

mutable (adjective) /ˈmjutəbəl/
Definition: Subject to change, alteration, or transformation, often with a degree of flexibility and adaptability.
Example Sentence: "The weather in this region is highly mutable and unpredictable."
Synonyms: adaptable; adjustable; flexible; fluid; malleable; modifiable
Opposite Meaning: static

notable (adjective) /ˈnoʊ tə bəl/
Definition: Worthy of attention, recognition, or distinction due to significant or remarkable qualities, achievements, or characteristics.
Example Sentence: "The author's latest novel received notable acclaim from critics and readers alike."
Synonyms: celebrated; distinguished; eminent; famous; noteworthy; outstanding
Opposite Meaning: unremarkable

palpable (adjective) /ˈpalpəb(ə)l/
Definition: Easily perceivable, tangible, or capable of being felt or touched.
Example Sentence: "The tension in the air was palpable before the final exam."
Synonyms: apparent; clear; conspicuous; detectable; discernible; evident
Opposite Meaning: intangible

personable (adjective) /ˈpɜr sə nə bəl/
Definition: Possessing a likable, friendly, and engaging demeanor, making them easy to approach and interact with.
Example Sentence: "John's personable nature made it easy for him to make new friends wherever he went."
Synonyms: affable; amiable; approachable; charming; cordial; engaging
Opposite Meaning: unlikable

pliable (adjective) /ˈplʌɪəb(ə)l/
Definition: Easily bent, molded, or shaped without breaking or losing its form.
Example Sentence: "The company's management found the new workers to be pliable and easy to control."
Synonyms: adaptable; bendable; compliant; ductile; flexible; impressionable
Opposite Meaning: rigid

redoubtable (adjective) /rɪˈdaʊtəbl/
Definition: Formidable and worthy of great respect, and sometimes fear.
Example Sentence: "He was a redoubtable warrior, feared and respected by his enemies and allies alike."
Synonyms: commanding; daunting; fearsome; frightening; impressive; intimidating
Opposite Meaning: insignificant

reputable (adjective) /ˈrɛpjətəbəl/
Definition: Esteemed, respected, and held in high regard due to their demonstrated integrity, trustworthiness, and reliability.
Example Sentence: "He is a reputable lawyer with a long history of successful cases."
Synonyms: creditable; distinguished; eminent; esteemed; honorable; reliable
Opposite Meaning: disreputable

tractable (adjective) /ˈtraktəbl/
Definition: Easily manageable, adaptable, or responsive to guidance, instructions, or control.
Example Sentence: "The dog's tractable temperament made it easy to teach him new tricks."
Synonyms: acquiescent; amenable; compliant; controllable; cooperative; docile
Opposite Meaning: unruly

unassailable (adjective) /ʌnəˈseɪləb(ə)l/
Definition: Impervious to attack, challenge, or criticism and considered entirely secure, invincible, and beyond dispute.
Example Sentence: "The result gives the newcomer an unassailable lead with one round of voting to go."
Synonyms: impervious; impregnable; inarguable; incontestable; incontrovertible; indisputable
Opposite Meaning: vulnerable

unconscionable (adjective) /ʌnˈkɒnʃnəbᵊl/
Definition: Morally or ethically unacceptable or unjustifiable.
Example Sentence: "The landlord's unconscionable rent increase left many tenants homeless."
Synonyms: heinous; immoral; indefensible; inhumane; intolerable; outrageous
Opposite Meaning: ethical

unfathomable (adjective) /ʌnˈfæðəməbᵊl/
Definition: Impossible to fully comprehend, measure, or understand due to extreme complexity, depth, or vastness.
Example Sentence: "The complexity of the universe is unfathomable to our limited minds."
Synonyms: abstruse; cryptic; deep; enigmatic; impenetrable; incomprehensible
Opposite Meaning: clear

unquestionable (adjective) /ʌnˈkwɛstʃənəbl/
Definition: Cannot be doubted or disputed, and is considered certain or indisputable.
Example Sentence: "The benefits of exercise for overall health are unquestionable."
Synonyms: absolute; certain; clear; conclusive; definite; evident
Opposite Meaning: debatable

unshakable (adjective) /ʌnˈʃeɪkəbl/
Definition: Firmly fixed, resolute, and steadfast, and cannot be easily disturbed, altered, or weakened.
Example Sentence: "The soldier's unshakable loyalty to his country was admirable."
Synonyms: composed; determined; firm; immovable; imperturbable; relentless
Opposite Meaning: vacillating

venerable (adjective) /ˈvɛn(ə)rəbl/
Definition: Deserving honor and respect because of age, character, or achievement.
Example Sentence: "He was a venerable artist, respected and admired for his talent and creativity."
Synonyms: acclaimed; august; celebrated; dignified; distinguished; esteemed
Opposite Meaning: dishonored

veritable (adjective) /ˈvɛrɪtəbl/
Definition: To emphasize the authenticity or validity of a statement or claim.
Example Sentence: "His garden had become a veritable jungle by the time he returned from his travels."
Synonyms: absolute; downright; perfect; positive; pure; real
Opposite Meaning: dubious

viable (adjective) /ˈvʌɪəbl/
Definition: Capable of being successful, workable, or feasible under certain conditions or circumstances.
Example Sentence: "The new business plan looks viable and has potential for success."
Synonyms: achievable; feasible; operable; possible; practical; realistic
Opposite Meaning: unworkable