Definitions

1. noun

A polite way to say ‘goodnight’ or ‘good evening’, used in formal settings or when parting ways with someone.

“After the formal dinner, the host said ‘bonsoir’ to her guests and thanked them for coming.”

2. interjection

An expression used to bid someone goodnight or good evening, often accompanied by a bow or a slight inclination of the head.

“She said ‘bonsoir’ and curtsied to her date as they parted ways after the opera.”