INEPT Meaning of INEPT in English ■ adjective incompetent; awkward or clumsy.Derivatives~itude noun~ly adverb~ness noun OriginC16 (in the sense 'unsuitable'): from L. ~us , from in- 'not' + aptus (see apt ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004