the.com/vivacity

Energy with charisma attached — enthusiasm that other people can actually feel.

means The quality of being full of lively, sparkling energy — a brightness of spirit that shows in how someone moves, talks, and reacts.

from From French vivacité, from Latin vivacitas, built on vivax ('lively, vigorous, long-lived'), itself from vivere, 'to live.' The same root gives us 'vivid' and 'survive' — so vivacity is, at bottom, just an especially visible, bubbling-over form of being alive.

root
latin vivax, meaning tenacious of life
not
loudness; quiet people can be vivacious too
peak era
18th century, prized trait in salons
opposite
not calm, actually just listlessness
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