Synonyms of dubious in English:

dubious


See definition of dubious

adjective

1‘I was rather dubious about the whole idea’

SYNONYMS

doubtful, uncertain, unsure, in doubt, hesitant

undecided, unsettled, unconfirmed, undetermined, indefinite, unresolved, up in the air

wavering, vacillating, irresolute, in a quandary, in a dilemma, on the horns of a dilemma

sceptical, suspicious

informal iffy

ANTONYMS

certain, definite

2‘a dubious businessman’

SYNONYMS

suspicious, suspect, under suspicion, untrustworthy, unreliable, undependable, questionable

informal shady, fishy, funny, not kosher

British informal dodgy

ANTONYMS

trustworthy

3‘she gave him a dubious reply’

SYNONYMS

equivocal, ambiguous, indeterminate, indefinite, unclear, vague, imprecise, hazy, puzzling, enigmatic, cryptic

open to question, debatable, questionable

ANTONYMS

decisive, clear, definite