Synonyms of doubt in English:

doubt


See US English definition of doubt

See UK English definition of doubt

See Spanish definition of duda

noun

1‘there was some doubt as to the caller's identity’

SYNONYMS
uncertainty, lack of certainty, unsureness, indecision, hesitation, hesitancy, dubiousness, suspicion, confusion
question mark, queries, questions
rare dubiety, incertitude
ANTONYMS

certainty

2‘a weak, indecisive leader racked by doubt’

SYNONYMS
indecision, hesitation, diffidence, uncertainty, insecurity, inhibition, unease, uneasiness, apprehension
hesitancy, wavering, vacillation, irresolution, lack of conviction, demurral
ANTONYMS

conviction, confidence

3‘there is doubt about the motive behind this move’

SYNONYMS
scepticism, distrust, mistrust, lack of trust, doubtfulness, suspicion, cynicism, disbelief, incredulity, unbelief, misbelief, lack of confidence, lack of conviction, uneasiness, apprehension, wariness, chariness, questioning
reservations, misgivings, suspicions, qualms
informal leeriness
formal dubiety
ANTONYMS

trust


verb

1‘they did not doubt my story’

SYNONYMS
disbelieve, distrust, mistrust, suspect, lack confidence in, have doubts about, be suspicious of, have suspicions about, have misgivings about, feel uneasy about, feel apprehensive about, call into question, cast doubt on, query, question, challenge, dispute, have reservations about
archaic misdoubt
ANTONYMS

trust

2‘I doubt whether he will come’

SYNONYMS
think something unlikely, have doubts about, have one's doubts about, question, query, be dubious, lack conviction, have reservations about
ANTONYMS

be confident

3‘stop doubting and believe more firmly!’

SYNONYMS
be undecided, have doubts, be irresolute, be hesitant, be tentative, be ambivalent, be divided, be doubtful, be unsure, be uncertain, be in two minds, hesitate, shilly-shally, waver, falter, vacillate, dither, demur
informal sit on the fence
ANTONYMS

believe


Phrases

    no doubt

    ‘it was all necessary, no doubt’


    SYNONYMS
    doubtless, undoubtedly, indubitably, doubtlessly, without doubt, without a doubt, beyond doubt, beyond a doubt, beyond the shadow of a doubt
    unquestionably, beyond question, indisputably, undeniably, incontrovertibly, irrefutably
    unequivocally, clearly, plainly, obviously, patently, positively, absolutely, certainly
    decidedly, definitely, surely, assuredly, of course, indeed
    ANTONYMS

    possibly

    in doubt

    1‘the issue was never in doubt’


    SYNONYMS
    doubtful, uncertain, open to question, unsure, unconfirmed, unknown, unsettled, undecided, moot, unresolved, debatable, open to debate, in the balance, pending, in limbo, in no man's land, up in the air, confused, problematic, ambiguous
    informal iffy
    ANTONYMS

    settled

    2‘if you are in doubt, ask for advice’


    SYNONYMS
    irresolute, hesitant, tentative, vacillating, dithering, wavering, teetering, fluctuating, faltering, ambivalent, divided
    doubtful, unsure, uncertain, in two minds, shilly-shallying, undecided, indefinite, unresolved, undetermined
    in a dilemma, in a quandary
    informal sitting on the fence
    ANTONYMS

    sure, confident