EXTANT Meaning of EXTANT in English [ ɪk'stant , ɛk- , 'ɛkst(ə)nt ]■ adjective still in existence.OriginC16: from L. exstant- , exstare 'be visible or prominent, exist'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004