VIVACIOUS Meaning of VIVACIOUS in English [ vɪ'veɪʃəs , vʌɪ- ]■ adjective attractively lively and animated.Derivatives~ly adverb~ness nounvivacity noun OriginC17: from L. vivax , vivac- 'lively, vigorous' + -ious . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004