1. (adj)doubtful, dubious fraught with uncertainty or doubt Synonyms: tentative, in question(p), dubious, doubtful, dubitable Antonyms: certain(p), sure, unquestionable, convinced
2. (adj)doubtful, dubious, dubitable, in question(p) open to doubt or suspicion Antonyms: sure, unquestionable, convinced, certain(p)
3. (adj)dubious not convinced Synonyms: doubtful, in question(p), dubitable Antonyms: convinced, sure, certain(p), unquestionable
Synonyms, Thesaurus & Antonyms of 'dubious'
English Synonyms and Antonyms
1. dubious Equivocal (L. equus, equal, and vox, voice, word) denotes that which may equally well be understood in either of two or more ways. Ambiguous (L. ambi, around, and ago, drive, lead) signif Synonyms: equivocal, ambiguous, enigmatical, indistinct, questionable, doubtful, indefinite, obscure, suspicious, dubious, indeterminate, perplexing, uncertain, enigmatic Antonyms: certain, evident, lucid, perspicuous, unequivocal, clear, indisputable, manifest, plain, unquestionable, distinct, indubitable, obvious, unambiguous, unquestioned
Synonyms for dubious 
