0 the quality of being vivacious (= attrctively energetic and enthusiastic):
This biography captures the charm and vivacity of an unusual woman.
He had a natural cheerfulness and vivacity that made him an exceedingly pleasant companion.
Her vivacity and wit led to her being much in demand as an after-dinner speaker.
What the modern spirit conceives of today is vivacity.
The vivacity of the projection (that imprints the virtues of the cube in search of orientations) multiplies the six faces of the classic cube.
Its vivacity of form is both unexpected and provocative it is immediately evident that this is not a mausoleum for books but a magnet for active enquiry.
The vivacity of the mental representation of an object can be influenced by factors that do not affect our settled beliefs about its capacity to generate pleasure.
We cannot expect vivacity with the present inelastic party in power, but we need a little more vivacity and a little more consultation with parents.