English Antonyms for Confidence and Optimism Vocabulary Words – Online Quiz!

affirm (verb) /əˈfɜrm/
Definition: To assert, confirm, or declare something with confidence and conviction.
Antonyms quiz: Choose the opposite meaning of affirm.
Options: assert; avow; confirm; deny
Answer: deny
Example sentence: "The court will affirm the verdict tomorrow."

alacrity (noun) /əˈlakrɪti/
Definition: A state of eagerness, promptness, and cheerful willingness to carry out a task or respond to a situation.
Antonyms quiz: Choose the opposite meaning of alacrity.
Options: ardor; avidity; briskness; reluctance
Answer: reluctance
Example sentence: "The team responded with alacrity to the emergency."

assertion (noun) /əˈsəːʃ(ə)n/
Definition: A statement that is made confidently and forcefully, often without providing any evidence or proof to support it.
Antonyms quiz: Choose the opposite meaning of assertion.
Options: affirmation; allegation; attestation; denial
Answer: denial
Example sentence: "The scientist presented a groundbreaking assertion in their research."

assertive (adjective) /əˈsəːtɪv/
Definition: Having or showing a confident and self-assured personality, and willing to stand up for oneself and one's beliefs.
Antonyms quiz: Choose the opposite meaning of assertive.
Options: bold; decided; decisive; timid
Answer: timid
Example sentence: "She's known for her assertive communication style."

assurance (noun) /əˈʃʊər əns/
Definition: A sense of confidence, certainty, or guarantee about something.
Antonyms quiz: Choose the opposite meaning of assurance.
Options: certainty; confidence; conviction; doubt
Answer: doubt
Example sentence: "He provided assurance to his team that he would support them throughout the project."

audacious (adjective) /ɔˈdeɪ ʃəs/
Definition: Displaying a bold, daring, or fearless nature, often characterized by a willingness to take risks or challenge conventional norms.
Antonyms quiz: Choose the opposite meaning of audacious.
Options: bold; brave; courageous; timid
Answer: timid
Example sentence: "The child's audacious question to the teacher caught everyone off guard."

audacity (noun) /ɔːˈdasɪti/
Definition: A bold and confident disregard of ordinary rules and conventions.
Antonyms quiz: Choose the opposite meaning of audacity.
Options: arrogance; brashness; brazenness; timidity
Answer: timidity
Example sentence: "His audacity knew no bounds; he defied all expectations."

aver (verb) /əˈvɜr/
Definition: To state or assert something confidently, firmly, or formally.
Antonyms quiz: Choose the opposite meaning of aver.
Options: affirm; argue; assert; deny
Answer: deny
Example sentence: "He will aver that he completed the project on time and within budget."

bold (adjective) /boʊld/
Definition: Displaying confidence, courage, or daring in someone's or something's actions, ideas, or appearance.
Antonyms quiz: Choose the opposite meaning of bold.
Options: adventurous; assertive; audacious; timid
Answer: timid
Example sentence: "The explorer embarked on a bold adventure to reach the summit of the mountain."

brashness (noun) /ˈbræʃ nɪs/
Definition: A quality or characteristic of being bold, impulsive, or lacking in tact or restraint.
Antonyms quiz: Choose the opposite meaning of brashness.
Options: assertiveness; audacity; boldness; caution
Answer: caution
Example sentence: "She admired his brashness and found it refreshing in a world of timidity."

bravado (noun) /brəˈvɑːdəʊ/
Definition: A bold and confident manner or behavior, often intended to impress or intimidate others.
Antonyms quiz: Choose the opposite meaning of bravado.
Options: arrogance; audacity; bluster; timidity
Answer: timidity
Example sentence: "Bravado: a mask concealing the vulnerability he dared not reveal."

brazen (adjective) /ˈbreɪz(ə)n/
Definition: Acting or done in a very open and bold way without shame or embarrassment.
Antonyms quiz: Choose the opposite meaning of brazen.
Options: audacious; barefaced; brash; shy
Answer: shy
Example sentence: "He displayed a brazen disregard for the rules."

charm (noun) /tʃɑrm/
Definition: A quality or characteristic that is attractive, endearing, or pleasing, often associated with a person's charisma or magnetism.
Antonyms quiz: Choose the opposite meaning of charm.
Options: allure; amulet; appeal; dullness
Answer: dullness
Example sentence: "The magician waved his wand and a sparkly charm appeared in his hand."

charming (adjective) /ˈtʃɑːmɪŋ/
Definition: Pleasing and attractive in nature.
Antonyms quiz: Choose the opposite meaning of charming.
Options: appealing; captivating; charismatic; repulsive
Answer: repulsive
Example sentence: "She was wearing a charming dress that caught everyone's attention."

cheek (noun) /tʃik/
Definition: A characteristic of audacity, boldness, or impertinence in a person's behavior or attitude.
Antonyms quiz: Choose the opposite meaning of cheek.
Options: audacity; boldness; brass; timidity
Answer: timidity
Example sentence: "It was a real cheek for him to invite himself to the party without being invited."

chutzpah (noun) /ˈʧʌtˌspɑ/
Definition: Someone who displays an audacious and often shameless level of confidence or boldness.
Antonyms quiz: Choose the opposite meaning of chutzpah.
Options: audacity; boldness; brass; timidity
Answer: timidity
Example sentence: "The candidate's chutzpah during the debate made headlines."

cocksure (adjective) /kɒkʃʊəʳ/
Definition: Self-assured and overly confident in one's own abilities or opinions.
Antonyms quiz: Choose the opposite meaning of cocksure.
Options: arrogant; audacious; bold; uncertain
Answer: uncertain
Example sentence: "Her cocksure attitude rubbed her teammates the wrong way."

complacent (adjective) /kəmˈpleɪs(ə)nt/
Definition: Over-confident or satisfied with how things are and not feeling the need to try to improve or make changes.
Antonyms quiz: Choose the opposite meaning of complacent.
Options: careless; casual; conceited; dissatisfied
Answer: dissatisfied
Example sentence: "She was accused of being complacent in addressing the problem."

confidence (noun) /kɒnfɪdəns/
Definition: A deep-seated belief in one's own abilities, worth, and potential for success.
Antonyms quiz: Choose the opposite meaning of confidence.
Options: assurance; belief; certainty; doubt
Answer: doubt
Example sentence: "With a boost of confidence, she approached the stage and delivered a powerful speech that captivated the audience."

confident (adjective) /ˈkɒn fɪ dənt/
Definition: Feeling or showing self-assurance, poise, and belief in one's abilities.
Antonyms quiz: Choose the opposite meaning of confident.
Options: assertive; assured; bold; doubtful
Answer: doubtful
Example sentence: "The confident athlete stepped onto the field, displaying unwavering belief in her skills as she prepared to compete."

conviction (noun) /kənˈvɪkʃᵊn/
Definition: A strong belief or opinion that one holds about a particular topic, issue, or idea.
Antonyms quiz: Choose the opposite meaning of conviction.
Options: assurance; certainty; confidence; doubt
Answer: doubt
Example sentence: "The judge's stern expression conveyed his sense of conviction in delivering justice."

debonair (adjective) /ˌdɛbəˈnɛː/
Definition: Possessing a charming, suave, and sophisticated demeanor, often marked by elegance, confidence, and a sense of refinement.
Antonyms quiz: Choose the opposite meaning of debonair.
Options: charming; courteous; dashing; ungainly
Answer: ungainly
Example sentence: "Her debonair style and grace made her a fashion icon."

diffident (adjective) /ˈdɪfɪd(ə)nt/
Definition: Lacking self-confidence, often displaying shyness, hesitancy, and a reluctance to assert oneself or express one's opinions.
Antonyms quiz: Choose the opposite meaning of diffident.
Options: constrained; meek; reluctant; confident
Answer: confident
Example sentence: "He raised his hand diffidently, afraid to speak up in class."

embolden (verb) /ɪmˈbəʊld(ə)n/
Definition: To give someone the courage or confidence to do something.
Antonyms quiz: Choose the opposite meaning of embolden.
Options: encourage; hearten; inspire; discourage
Answer: discourage
Example sentence: "The recent reforms embolden activists to push for further changes."

empowerment (noun) /ɪmˈpaʊəmənt/
Definition: The process of enabling individuals or groups to take control of their lives, make decisions, and achieve their goals.
Antonyms quiz: Choose the opposite meaning of empowerment.
Options: agency; authorization; autonomy; oppression
Answer: oppression
Example sentence: "The workshop focused on self-empowerment and building confidence."

encourage (verb) /ɛnˈkɜr ɪdʒ/
Definition: To inspire, motivate, or instill confidence and support in someone or a group of individuals.
Antonyms quiz: Choose the opposite meaning of encourage.
Options: boost; embolden; empower; discourage
Answer: discourage
Example sentence: "Non-profit organizations encourage communities to work together for a common cause."

encouragement (noun) /ɛnˈkɜr ɪdʒ mənt/
Definition: The act of providing support, motivation, or inspiration to someone in order to boost their confidence, morale, or determination.
Antonyms quiz: Choose the opposite meaning of encouragement.
Options: applause; approval; backing; discouragement
Answer: discouragement
Example sentence: "I appreciate your constant encouragement during this challenging time."

encouraging (adjective) /ɪnˈkʌrɪʤɪŋ/
Definition: Providing support, motivation, or inspiration.
Antonyms quiz: Choose the opposite meaning of encouraging.
Options: cheering; emboldening; empowering; disheartening
Answer: disheartening
Example sentence: "The supportive comments on her artwork were truly encouraging and motivated her to create more."

falter (verb) /ˈfɔltər/
Definition: To hesitate, waver, or lose confidence, typically in the midst of an action or when faced with a challenge.
Antonyms quiz: Choose the opposite meaning of falter.
Options: delay; flounder; halt; persevere
Answer: persevere
Example sentence: "He won't falter, even when the odds seem insurmountable."

forwardness (noun) /ˈfɔr wərd nɪs/
Definition: The quality or state of being bold, assertive, or confident in one's manner or behavior.
Antonyms quiz: Choose the opposite meaning of forwardness.
Options: assertiveness; audacity; boldness; timidity
Answer: timidity
Example sentence: "His forwardness on the dance floor caught everyone's attention."

gumption (noun) /ˈgʌmp ʃən/
Definition: A remarkable quality of individual initiative, resourcefulness, and determination.
Antonyms quiz: Choose the opposite meaning of gumption.
Options: ambition; boldness; courage; apathy
Answer: apathy
Example sentence: "The team showed incredible gumption by coming back from a three-goal deficit to win the game."

heartening (adjective) /ˈhɑːtənɪŋ/
Definition: Bringing encouragement, uplifts the spirit, or instills a sense of hope or optimism.
Antonyms quiz: Choose the opposite meaning of heartening.
Options: cheering; comforting; encouraging; discouraging
Answer: discouraging
Example sentence: "The heartfelt thank-you note brought a heartening smile to her face."

hopeful (adjective) /ˈhoʊp fəl/
Definition: Characterized by optimism, positivity, and a belief in the possibility of a favorable outcome.
Antonyms quiz: Choose the opposite meaning of hopeful.
Options: aspiring; bright; buoyant; pessimistic
Answer: pessimistic
Example sentence: "The team entered the game with a hopeful attitude, eager to secure a victory."

indomitable (adjective) /ɪnˈdɒmɪtəbl/
Definition: Invincible, unyielding, and unable to be subdued or defeated, even in the face of adversity or seemingly insurmountable challenges.
Antonyms quiz: Choose the opposite meaning of indomitable.
Options: determined; invincible; invulnerable; weak
Answer: weak
Example sentence: "She admired the indomitable courage her mother demonstrated in the face of adversity."

infallible (adjective) /ɪnˈfalɪbl/
Definition: Incapable of making mistakes or errors, and considered completely trustworthy and flawless in action or judgment.
Antonyms quiz: Choose the opposite meaning of infallible.
Options: accurate; faultless; flawless; fallible
Answer: fallible
Example sentence: "Working in a hospital revealed that doctors are far from infallible."

insecure (adjective) /ˌɪn sɪˈkyʊər/
Definition: Lacking confidence, stability, or assurance.
Antonyms quiz: Choose the opposite meaning of insecure.
Options: anxious; apprehensive; doubtful; confident
Answer: confident
Example sentence: "His insecure job made it difficult to plan for the future, leaving him anxious and uncertain."

intrepid (adjective) /ɪnˈtrɛpɪd/
Definition: Brave and fearless, willing to face danger or difficulty without showing fear.
Antonyms quiz: Choose the opposite meaning of intrepid.
Options: adventurous; audacious; bold; timid
Answer: timid
Example sentence: "Despite the risk, the intrepid scientist continued his research."

invincible (adjective) /ɪnˈvɪn sə bəl/
Definition: Incapable of being defeated, destroyed, or overcome.
Antonyms quiz: Choose the opposite meaning of invincible.
Options: bulletproof; impregnable; indefatigable; vulnerable
Answer: vulnerable
Example sentence: "His indomitable spirit made him believe he was invincible, capable of achieving anything."

jaunty (adjective) /ˈdʒɔːnti/
Definition: Having a lively, cheerful, and self-assured manner, often characterized by an air of stylishness and confidence.
Antonyms quiz: Choose the opposite meaning of jaunty.
Options: buoyant; cheerful; energetic; somber
Answer: somber
Example sentence: "The band played a jaunty tune that had everyone tapping their feet."

optimist (noun) /ˈɒp tə mɪst/
Definition: A person who possesses a positive and hopeful outlook on life and its circumstances.
Antonyms quiz: Choose the opposite meaning of optimist.
Options: believer; buoyant; dreamer; pessimist
Answer: pessimist
Example sentence: "The optimist's positive outlook inspired others to approach life with optimism."

optimistic (adjective) /ˌɒp təˈmɪs tɪk/
Definition: Positive and hopeful outlook or attitude towards life, events, or circumstances.
Antonyms quiz: Choose the opposite meaning of optimistic.
Options: assured; bright; buoyant; pessimistic
Answer: pessimistic
Example sentence: "The team's coach instilled an optimistic mindset in the players before the big game."

plucky (adjective) /ˈplʌki/
Definition: Determined, courageous, and resilient in the face of challenges, adversity, or difficult situations.
Antonyms quiz: Choose the opposite meaning of plucky.
Options: bold; courageous; daring; cowardly
Answer: cowardly
Example sentence: "She showed a plucky determination to overcome her challenges."

positive (adjective) /ˈpɒz ɪ tɪv/
Definition: Characterized by optimism, favorability, or a constructive nature.
Antonyms quiz: Choose the opposite meaning of positive.
Options: advantageous; affirmative; beneficial; negative
Answer: negative
Example sentence: "I had a positive experience at the new restaurant; the food was delicious and the staff was friendly."

pusillanimous (adjective) /ˌpjuːsɪˈlanɪməs/
Definition: Lacking courage or determination, often accompanied by timidity, cowardice, or weakness.
Antonyms quiz: Choose the opposite meaning of pusillanimous.
Options: cowardly; craven; fearful; brave
Answer: brave
Example sentence: "John's pusillanimous approach to the challenge didn't inspire confidence in his abilities."

sanguine (adjective) /ˈsaŋɡwɪn/
Definition: Optimistic, cheerful, and confident, often in the face of challenging or uncertain circumstances.
Antonyms quiz: Choose the opposite meaning of sanguine.
Options: assured; bright; bullish; pessimistic
Answer: pessimistic
Example sentence: "He seemed surprisingly sanguine about his chances of getting a promotion."

spirited (adjective) /ˈspɪr ɪ tɪd/
Definition: Lively, energetic, and full of enthusiasm.
Antonyms quiz: Choose the opposite meaning of spirited.
Options: animated; buoyant; dynamic; lethargic
Answer: lethargic
Example sentence: "Her spirited personality charmed everyone she met."

unabashed (adjective) /ʌnəˈbaʃt/
Definition: Unashamed or unembarrassed, particularly in relation to one's actions or behavior.
Antonyms quiz: Choose the opposite meaning of unabashed.
Options: assured; audacious; bold; ashamed
Answer: ashamed
Example sentence: "Despite the criticism, she remained unabashed in her pursuit of art."

unassailable (adjective) /ʌnəˈseɪləb(ə)l/
Definition: Impervious to attack, challenge, or criticism and considered entirely secure, invincible, and beyond dispute.
Antonyms quiz: Choose the opposite meaning of unassailable.
Options: impervious; impregnable; inarguable; vulnerable
Answer: vulnerable
Example sentence: "Nobody can deny he has an unassailable alibi."

unquestionable (adjective) /ʌnˈkwɛstʃənəbl/
Definition: Cannot be doubted or disputed, and is considered certain or indisputable.
Antonyms quiz: Choose the opposite meaning of unquestionable.
Options: absolute; certain; clear; debatable
Answer: debatable
Example sentence: "The historical accuracy of the document was unquestionable due to its reliable sources."

unshakable (adjective) /ʌnˈʃeɪkəbl/
Definition: Firmly fixed, resolute, and steadfast, and cannot be easily disturbed, altered, or weakened.
Antonyms quiz: Choose the opposite meaning of unshakable.
Options: composed; determined; firm; vacillating
Answer: vacillating
Example sentence: "He faced adversity with an unshakable determination to succeed."

valiant (adjective) /ˈvalɪənt/
Definition: Exceptionally brave, courageous, and resolute in the face of danger, adversity, or challenging situations.
Antonyms quiz: Choose the opposite meaning of valiant.
Options: bold; courageous; dauntless; cowardly
Answer: cowardly
Example sentence: "The valiant rescue team braved treacherous conditions to save hikers."