This is the 2128th most frequent French word.
bête
"Bête" means "animal" or "stupid" in English, depending on context.
Here, 'bête' is employed metaphorically to describe someone acting foolishly or without thinking.
Ne sois pas bête, réfléchis avant d'agir.
Don't be silly, think before acting.
In this sentence, 'bête' is used to refer to an animal, highlighting its physical characteristics.
Le chat est une bête très agile.
The cat is a very agile beast.
In this case, 'bête' is used informally to describe something that lacks sense or is absurd.