Online English Vocabulary Flashcards for Suffix -ible Words

accessible (adjective) /ækˈsɛs ə bəl/
Definition: Easily approachable, reachable, or available.
Example Sentence: "The book is written in a clear and accessible language, making it easy for readers of all backgrounds to understand."
Synonyms: approachable; attainable; available; convenient; easy; obtainable
Opposite Meaning: inaccessible

audible (adjective) /ˈɔ də bəl/
Definition: Capable of being heard or perceived by the sense of hearing.
Example Sentence: "The teacher's voice was barely audible over the noisy chatter of the students."
Synonyms: clear; detectable; discernible; distinct; evident; hearable
Opposite Meaning: inaudible

compatible (adjective) /kəmˈpæt ə bəl/
Definition: Having the ability of two or more things to exist or function together harmoniously, without conflict or contradiction.
Example Sentence: "These two artists have a compatible artistic vision, which is why they often collaborate on projects."
Synonyms: adaptable; agreeable; aligned; amicable; coherent; complementary
Opposite Meaning: incompatible

comprehensible (adjective) /ˌkɒm prɪˈhɛn sə bəl/
Definition: Capable of being understood, grasped, or perceived in a clear and intelligible manner.
Example Sentence: "The teacher explained complex scientific concepts in a comprehensible manner."
Synonyms: accessible; clear; cogent; coherent; fathomable; graspable
Opposite Meaning: unclear

credible (adjective) /ˈkrɛdəbəl/
Definition: Trustworthy, believable, or deserving of confidence and acceptance.
Example Sentence: "The credible performance of the actor made the audience believe in his character."
Synonyms: believable; compelling; conceivable; conclusive; convincing; plausible
Opposite Meaning: dubious

crucible (noun) /ˈkrusəbəl/
Definition: A challenging or transformative experience, often associated with a test or trial that a person or group undergoes.
Example Sentence: "The death of his parents was a crucible that changed his perspective on life."
Synonyms: adversity; challenge; difficulty; hardship; ordeal; struggle
Opposite Meaning: ease

digestible (adjective) /daɪdʒestɪbəl/
Definition: Easily broken down, absorbed, or understood.
Example Sentence: "The online course offers digestible video lessons that make learning a new skill effortless."
Synonyms: absorbable; assimilable; coherent; comprehensible; edible; graspable
Opposite Meaning: indigestible

eligible (adjective) /ˈɛlɪdʒɪbl/
Definition: Meeting the necessary requirements to be considered for a particular position, opportunity, or status.
Example Sentence: "He was declared eligible for the match after passing the fitness test."
Synonyms: allowed; appropriate; authorized; capable; entitled; fitting
Opposite Meaning: ineligible

fallible (adjective) /ˈfalɪb(ə)l/
Definition: Susceptible to making mistakes, errors, or being wrong from time to time.
Example Sentence: "The process was fallible and sometimes produced inaccurate results."
Synonyms: deficient; errant; erring; faulty; flawed; frail
Opposite Meaning: infallible

feasible (adjective) /ˈfi zə bəl/
Definition: Capable of being accomplished or achieved, given the available resources, time, and circumstances.
Example Sentence: "Due to budget constraints, the plan is no longer feasible."
Synonyms: accomplishable; achievable; attainable; doable; executable; possible
Opposite Meaning: impossible

flexible (adjective) /ˈflɛk sə bəl/
Definition: Adaptable, versatile, or capable of bending or adjusting easily without breaking or losing shape.
Example Sentence: "The flexible schedule allowed me to balance work and personal commitments effectively."
Synonyms: accommodating; adaptable; adjustable; easygoing; elastic; fluid
Opposite Meaning: rigid

foible (noun) ˈfɔɪb(ə)l/
Definition: A minor character flaw or a weakness in a person's personality or behavior.
Example Sentence: "She couldn't help but laugh at his charming foible of mispronouncing words."
Synonyms: abnormality; blemish; defect; failing; fault; frailty
Opposite Meaning: strength

fungible (adjective) /ˈfʌn(d)ʒɪbl/
Definition: Interchangeable or replaceable with something of equal value or quantity.
Example Sentence: "Gold is a fungible asset because it can be easily exchanged for cash."
Synonyms: barterable; commutable; commutative; convertible; equivalent; exchangeable
Opposite Meaning: unique

gullible (adjective) /ˈɡʌlɪbl/
Definition: Easily deceived or tricked because of one's naivety, trustfulness, or lack of skepticism.
Example Sentence: "The scam artist preyed on the gullible and unsuspecting."
Synonyms: credulous; exploitable; foolish; innocent; naive; simple
Opposite Meaning: skeptical

horrible (adjective) /ˈhɔr ə bəl/
Definition: Evoking a strong sense of fear, disgust, or extreme unpleasantness.
Example Sentence: "The horrible smell coming from the kitchen made me lose my appetite."
Synonyms: abominable; appalling; awful; dreadful; frightful; ghastly
Opposite Meaning: wonderful

illegible (adjective) /ɪˈlɛdʒɪbl/
Definition: Cannot be read or deciphered due to its unclear, messy, or unreadable writing or printing.
Example Sentence: "The map was so old that the print had become illegible."
Synonyms: crabbed; faint; indecipherable; indistinct; obscure; scrawled
Opposite Meaning: legible

implausible (adjective) /ɪmˈplɔ zə bəl/
Definition: Difficult to believe or accept due to a lack of credibility, logic, or reason.
Example Sentence: "The story he told was so implausible that nobody believed a word of it."
Synonyms: doubtful; fantastical; improbable; inconceivable; incredible; preposterous
Opposite Meaning: plausible

inaudible (adjective) /ɪnˈɔ də bəl/
Definition: Cannot be heard or is difficult to hear due to being too quiet, faint, or obscured by other sounds.
Example Sentence: "The whispers exchanged between the spies were inaudible to anyone not wearing the specialized listening device."
Synonyms: faint; hushed; indistinct; low; muffled; muted
Opposite Meaning: audible

incontrovertible (adjective) /ˌɪnkɒntrəˈvəːtɪb(ə)l/
Definition: Absolutely undeniable and beyond dispute or controversy.
Example Sentence: "The evidence was incontrovertible and proved the defendant's guilt."
Synonyms: absolute; certain; clear; conclusive; evident; indisputable
Opposite Meaning: debatable

incorrigible (adjective) /ɪnˈkɒrɪdʒɪb(ə)l/
Definition: Resistant to correction, reform, or improvement despite numerous attempts to change it.
Example Sentence: "The teacher's efforts to reform the incorrigible student were in vain."
Synonyms: confirmed; diehard; habitual; hardened; hopeless; incurable
Opposite Meaning: reformable

indelible (adjective) /ɪnˈdɛlɪb(ə)l/
Definition: Permanent, lasting, or unable to be erased, removed, or forgotten.
Example Sentence: "The victory left an indelible mark on the team's history."
Synonyms: enduring; ineffaceable; ineradicable; inerasable; inexpungible; inextinguishable
Opposite Meaning: erasable

indestructible (adjective) /ɪndɪstrʌktɪbəl/
Definition: Incapable of being destroyed, damaged, or broken.
Example Sentence: "The superhero's indestructible shield protected him from any harm."
Synonyms: durable; enduring; imperishable; impervious; infallible; invincible
Opposite Meaning: fragile

inedible (adjective) /ɪnˈɛd ə bəl/
Definition: Not suitable or safe to be eaten due to its unpleasant taste, toxicity, or lack of nutritional value.
Example Sentence: "The warning label clearly stated that the product was inedible and should not be ingested."
Synonyms: foul; indigestible; inpalatable; noxious; poisonous; rancid
Opposite Meaning: edible

infallible (adjective) /ɪnˈfalɪbl/
Definition: Incapable of making mistakes or errors, and considered completely trustworthy and flawless in action or judgment.
Example Sentence: "Even the most experienced doctors are not infallible."
Synonyms: accurate; faultless; flawless; impeccable; meticulous; perfect
Opposite Meaning: fallible

inflexible (adjective) /ɪnˈflɛk sə bəl/
Definition: Resistant to change, modification, or adaptation.
Example Sentence: "His inflexible personality strained his relationships as he refused to compromise or adapt."
Synonyms: adamant; immovable; intractable; intransigent; invariable; obdurate
Opposite Meaning: flexible

intangible (adjective) /ɪnˈtæn dʒə bəl/
Definition: Cannot be physically touched, grasped, or quantified due to a lack of physical form or substance.
Example Sentence: "The value of a brand is often tied to its intangible qualities, such as customer loyalty."
Synonyms: abstract; conceptual; elusive; ethereal; immaterial; impalpable
Opposite Meaning: tangible

invincible (adjective) /ɪnˈvɪn sə bəl/
Definition: Incapable of being defeated, destroyed, or overcome.
Example Sentence: "With his unwavering determination, he felt invincible in the face of any challenge."
Synonyms: bulletproof; impregnable; indefatigable; indomitable; indubitable; infallible
Opposite Meaning: vulnerable

irascible (adjective) /ɪˈrasɪb(ə)l/
Definition: Having a tendency to become easily angered, irritated, or provoked.
Example Sentence: "The irascible manager was quick to lash out at his employees."
Synonyms: captious; crabby; fractious; irritable; narky; prickly
Opposite Meaning: easy-going

irreducible (adjective) /ˌɪrɪˈdjuːsɪbl/
Definition: Cannot be reduced, simplified, or made smaller in size or complexity.
Example Sentence: "In his heart, there was an irreducible hope that things would change."
Synonyms: essential; immutable; inalienable; inalterable; indivisible; inexorable
Opposite Meaning: reducible

irresistible (adjective) /ˌɪrɪˈzɪstɪbl/
Definition: So captivating, appealing, or enticing that it is impossible to resist or refuse.
Example Sentence: "The smell of freshly baked cookies was irresistible."
Synonyms: alluring; compelling; compulsive; enticing; inescapable; inviting
Opposite Meaning: resistible

irresponsible (adjective) /ˌɪr ɪˈspɒn sə bəl/
Definition: Lacking a sense of duty, accountability, or consideration for the consequences of one's actions.
Example Sentence: "It is irresponsible to drive under the influence of alcohol or drugs."
Synonyms: careless; heedless; immature; imprudent; inconsiderate; negligent
Opposite Meaning: responsible

legible (adjective) /ˈlɛdʒ ə bəl/
Definition: Clear and easy to read or decipher.
Example Sentence: "The handwriting on the note was barely legible, making it difficult to decipher the message."
Synonyms: clear; coherent; comprehensible; decipherable; distinct; explicit
Opposite Meaning: illegible

negligible (adjective) /ˈnɛɡlɪdʒɪb(ə)l/
Definition: So small or insignificant that it can be disregarded or ignored.
Example Sentence: "The risk of injury was negligible with proper safety precautions in place."
Synonyms: imperceptible; inconsequential; insignificant; petty; piddling; trifling
Opposite Meaning: significant

ostensible (adjective) /ɒˈstɛn sə bəl/
Definition: Appearing to be true or genuine on the surface, but may not necessarily be so in reality.
Example Sentence: "Her ostensible calmness was betrayed by the nervous tapping of her foot."
Synonyms: alleged; apparent; feigned; illusory; outward; professed
Opposite Meaning: genuine

perceptible (adjective) /pərˈsɛp tə bəl/
Definition: Capable of being perceived or sensed, either through one's physical senses or by means of awareness and observation.
Example Sentence: "The sound of distant laughter was barely perceptible in the quiet night."
Synonyms: apparent; ascertainable; clear; detectable; discernible; distinguishable
Opposite Meaning: imperceptible

permissible (adjective) /pərˈmɪs ə bəl/
Definition: Allowed, acceptable, or within the bounds of what is considered acceptable or allowed by rules, laws, or regulations.
Example Sentence: "Smoking is not permissible inside the restaurant."
Synonyms: acceptable; admissible; allowable; allowed; authorized; lawful
Opposite Meaning: forbidden

plausible (adjective) /ˈplɔːzɪbl/
Definition: Likely or appearing to be true, reasonable, or probable, although not necessarily proven or confirmed.
Example Sentence: "The claim was plausible but needed more evidence to back it up."
Synonyms: believable; conceivable; convincing; credible; persuasive; possible
Opposite Meaning: implausible

reprehensible (adjective) /ˌrɛprɪˈhɛnsɪbl/
Definition: Deserving of condemnation, criticism, or disapproval.
Example Sentence: "The politician's behavior was reprehensible and he was forced to resign."
Synonyms: blameworthy; censurable; condemnable; deplorable; disgraceful; heinous
Opposite Meaning: admirable

risible (adjective) /ˈrɪzɪbl/
Definition: Capable of provoking laughter or amusement, often to the point of being funny, absurd, or ludicrous.
Example Sentence: "The risible claim that the earth is flat was met with ridicule."
Synonyms: absurd; amusing; comic; comical; droll; facetious
Opposite Meaning: grave

submersible (adjective) /səbˈmɜr sə bəl/
Definition: Capable of being submerged or operated underwater.
Example Sentence: "The submersible vessel withstood the intense pressure at great depths."
Synonyms: abyssal; bathyscaphe; bottomless; dunked; engulfed; flooded
Opposite Meaning: non-waterproof

susceptible (adjective) /səˈsɛptɪbl/
Definition: Likely or prone to be affected or influenced by a particular thing, such as a disease, an emotion, or a condition.
Example Sentence: "He was susceptible to sunburn and always wore sunscreen."
Synonyms: accessible; amenable; disposed; exposed; gullible; impressionable
Opposite Meaning: immune

tangible (noun) /ˈtandʒɪbl/
Definition: Something that is perceptible to the senses, particularly touch, and can be observed or felt.
Example Sentence: "The tangible evidence was presented in court."
Synonyms: actual; concrete; definite; material; physical; real
Opposite Meaning: intangible

terrible (adjective) /ˈtɛr ə bəl/
Definition: Of extremely poor or low quality, or something that causes great distress, fear, or unhappiness.
Example Sentence: "The movie received terrible reviews from critics and audiences alike."
Synonyms: abysmal; appalling; atrocious; awful; dismal; dreadful
Opposite Meaning: wonderful

unintelligible (adjective) /ˌʌnɪnˈtɛlɪdʒɪbl/
Definition: Difficult or impossible to understand, typically because it is poorly expressed or spoken.
Example Sentence: "He spoke with an unintelligible mumble that no one could understand."
Synonyms: baffling; confusing; cryptic; garbled; gibberish; illegible
Opposite Meaning: clear