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doubtful

doubt·ful

doubtful

pronunciation:
daUt fl
features:
Word Explorer, Word Parts
part of speech: adjective
definition 1: having or causing doubt.
synonyms:
dubious, irresolute, skeptical, suspicious, uncertain, undecided
antonyms:
assured, believable, certain, clear, convinced, doubtless, indubitable, positive, sure, undoubted
similar words:
borderline, distrustful, equivocal, indecisive, mistrustful, perplexed, unbelieving, uneasy
definition 2: of uncertain result.
synonyms:
equivocal, indefinite, indeterminate, uncertain, undetermined
antonyms:
definite
similar words:
precarious, questionable
definition 3: of uncertain reliability or honesty.
synonyms:
dubious, questionable, uncertain, unreliable
antonyms:
reliable
similar words:
apocryphal, conjectural, problematic, shady, unpredictable
definition 4: improbable.
synonyms:
improbable, unlikely
antonyms:
likely
derivations: doubtfully (adv.), doubtfulness (n.)
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Word Parts
The word doubtful contains the following part: