bad manners

• Comportement qui est grossier, impoli ou socialement inacceptable ; manque de courtoisie ou d'égards envers les autres.

Behavior that is rude, impolite, or socially unacceptable; a lack of courtesy or consideration for others.

1. Rude or impolite behaviorA2formal

   Behavior that is considered socially unacceptable or disrespectful.

   mauvaises manières

   • Talking with your mouth full is considered bad manners.
   • It is bad manners to interrupt someone while they are speaking.
   • He showed bad manners by not thanking the host.