/lev"i tee/ , n. , pl. levities .
1. lightness of mind, character, or behavior; lack of appropriate seriousness or earnestness.
2. an instance or exhibition of this.
3. fickleness.
4. lightness in weight.
[ 1555-65; levitas lightness, frivolity, equiv. to levi ( s ) light + -tas -TY 2 ]
Syn. 1, 2. frivolity, flippancy, triviality, giddiness.