Courtois (en. Courteous)

/kuʁ.twa/

Slang Meanings

Used to describe excessively polite behavior.
He is too courteous; it seems like he is trying to please everyone.
Il est trop courtois, on dirait qu'il essaie de plaire à tout le monde.
Used to refer to a person who tries to mask their true intentions under a polite facade.
Be careful with him; he is courteous but has a hidden agenda.
Attention à lui, il est courtois mais il a un but caché.