/ vɪˈveɪʃəs; NAmE ; NAmE also vaɪˈv-/ adjective
( approving ) ( especially of a woman ) having a lively, attractive personality :
He had three pretty, vivacious daughters.
► viv·acious·ly adverb
► viv·acity / vɪˈvæsəti; NAmE ; NAmE also vaɪˈv-/ noun [ U ]:
He was charmed by her beauty and vivacity.
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WORD ORIGIN
mid 17th cent.: from Latin vivax , vivac- lively, vigorous (from vivere to live) + -ious .