adj. 25B6; adjective ARGUABLE, disputable, questionable, open to question, controversial, contentious; doubtful, dubious, uncertain, unsure, unclear; borderline, inconclusive, moot, unsettled, unresolved, unconfirmed, undetermined, undecided, up in the air; informal iffy.
DEBATABLE
Meaning of DEBATABLE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012