silliness
Definitions
The quality of being lacking in common sense or judgment; foolishness.
The state of being lighthearted, amusing, or playfully absurd.
Examples
The children giggled at the pure silliness of the clown's performance.
I cannot believe I wasted so much time on such utter silliness.
There is a certain charm to his constant silliness that makes everyone feel at ease.
Synonyms
foolishness absurdity frivolity ridiculousness idiocy levity daftness
Antonyms
seriousness gravity solemnity wisdom sensibleness prudence rationality