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dubious

du·bi·ous

dubious

 
pronunciation:
du bi s
part of speech: adjective
definition 1: having or showing doubt; skeptical.
We were dubious about our chances of winning.
synonyms:
doubtful, skeptical
antonyms:
certain, cocksure, sure
similar words:
irresolute, uncertain, unsure
definition 2: causing doubt; creating uncertainty.
The researcher's claims seemed rather dubious as they were supported by little evidence.
synonyms:
doubtful, questionable
antonyms:
believable, convincing, indubitable, reliable
similar words:
apocryphal, equivocal, precarious, suspicious, uncertain, uneasy
definition 3: of doubtful quality, value, or properness.
a dubious honora dubious proposal
synonyms:
doubtful, questionable
antonyms:
indisputable, undeniable, unquestionable
similar words:
equivocal, fishy, shady
derivations: dubiously (adv.), dubiousness (n.)