- pl. -·tises′ a foolish act, remark, etc.
- stupidity or foolishness
Origin of bêtiseFrench from bête, beast, foolish from Old French beste, beast
- Stupidity; folly: “The bêtise of our human community is everywhere” ( Thornton Wilder )
- A stupid or foolish act or remark.
Origin of betiseFrench from bête beast, fool, foolish from Old French beste beast ; see beast .