adjective
1.
Synonyms: obscure 3, amphibological, equivocal, opaque, tenebrous, uncertain, unclear, unexplicit, unintelligible, vague
Related Word: doubtful, dubious, questionable
Contrasted words: clear, lucid, perspicuous; categorical, express, specific
Antonyms: explicit
2.
Synonyms: doubtful 1, dubious, equivocal, fishy, problematic, suspect, uncertain, unclear, unsettled, unsure