adj. 25B6; adjective UNCERTAIN, unsure, unsettled, up in the air, debatable, open to question, in doubt, doubtful; ambiguous, equivocal, indefinite, vague, mysterious, obscure, hazy, foggy, nebulous; informal iffy.
evident.
UNCLEAR
Meaning of UNCLEAR in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012