/ ˈvɒljʊbl; NAmE ˈvɑːljə-/ adjective ( formal )
1.
talking a lot, and with enthusiasm, about a subject :
Evelyn was very voluble on the subject of women's rights.
2.
expressed in many words and spoken quickly :
voluble protests
► vol·ubly / ˈvɒljʊbli; NAmE ˈvɑːljə-/ adverb
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WORD ORIGIN
Middle English (in senses rotating about an axis and having a tendency to change ): from French , or from Latin volubilis , from volvere to roll. The modern meanings arose in the late 16th cent.