FOREMOST Meaning of FOREMOST in English ■ adjective most prominent in rank, importance, or position. ■ adverb in the first place.OriginOE formest , fyrmest , from forma 'first' + -est 1 ; cf. first and former 1 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004