[ad_1] noun, plural fri·vol·i·ties for 2.
- the quality or state of being frivolous: the frivolity of Mardi Gras.
- a frivolous act or thing: It was a frivolity he had a hard time living down.
1796, from French frivolité, from Old French frivole “frivolous,” from Latin frivolus (see frivolous).