n. 25B6; adjective SILLY, foolish, stupid, fatuous, idiotic, ridiculous, ludicrous, asinine, frivolous, vapid; childish, puerile; informal dumb, gormless, moronic; Brit. informal daft.
sensible.
INANE
Meaning of INANE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012