silly
//ˈsɪli//
Adjective
sillierComparative
silliestSuperlative
1
Having or showing a lack of common sense or judgment; foolish or frivolous
It was silly of me to forget my umbrella on such a rainy day.
2
Playfully lighthearted and amusing in a childish or trivial way
The children were being silly and making funny faces.
3
Stunned or dazed, especially from a blow
The boxer was knocked silly by the punch.