RAPACIOUS Meaning of RAPACIOUS in English [ rə'peɪʃəs ]■ adjective aggressively greedy.Derivatives~ly adverb~ness nounrapacity noun OriginC17: from L. rapac- , rapax (from rapere 'to snatch') + -ious . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004