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Definitions

doubt

[dout] / daʊt /
NOUN
lack of faith, conviction; questioning
Synonyms
STRONGEST
ambiguity apprehension confusion difficulty disbelief distrust fear hesitation misgiving mistrust problem qualm reluctance skepticism suspense suspicion uncertainty
STRONG
agnosticism demurral diffidence dilemma discredit disquiet dubiety dubiousness faithlessness faltering hesitancy incertitude incredulity indecision irresolution perplexity quandary rejection scruple vacillation wavering
WEAK
lack of confidence
Antonyms
STRONGEST
belief calm calmness certainty clarity confidence definiteness ease faith knowledge sureness trust
STRONG
solution
WEAK
dependence reliance
VERB
lack confidence in; question
Synonyms
STRONGEST
distrust hesitate impugn suspect
STRONG
challenge demur disbelieve discredit dispute fear fluctuate imagine insinuate misgive mistrust query scruple surmise vacillate waver
WEAK
be apprehensive of be curious be dubious be in a quandary be puzzled be uncertain be undetermined call in question give no credence harbor suspicion have qualms misdoubt not buy read differently shilly-shally skepticize smell a rat take dim view of wonder at
Antonyms
STRONGEST
trust
STRONG
agree answer believe go along remain stay
WEAK
be certain not question rely

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Fine, you are taking the country forward on the diplomatic front, no doubt," he said.

From Barron's • Apr. 21, 2026

“I don’t even know what that phrase means, and I doubt that I said it,” Kennedy said.

From Salon • Apr. 21, 2026

U.S. negotiators are expected to arrive in Pakistan tonight for talks with Iran this week, although Tehran has cast doubt on its participation.

From The Wall Street Journal • Apr. 20, 2026

However, Iran’s Foreign Ministry spokesman Esmaeil Baghaei said on Monday that Tehran had no plans for future negotiations – casting the status of the discussions in doubt.

From MarketWatch • Apr. 20, 2026

“I don’t doubt it. There could be anything down in those bottoms. Monkey! Why, I never heard of anything like it. I don’t know. I just don’t know.”

From "Summer of the Monkeys" by Wilson Rawls

Vocabulary lists containing doubt

"The Road Not Taken"

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"A Modest Proposal," Vocabulary from the satire

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Beowulf vocabulary

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!