laisser

Senses

1. 1.

   to leave

   to depart from or abandon a place or person

2. 2.

   to let; to allow

   to permit or enable someone to do something

3. 3.

   to leave (behind); to leave something for someone

   to let something remain or pass on

4. 4.

   to stop; to quit

   to cease doing something

Examples

• "Je dois laisser le bureau à 17 heures."

  I have to leave the office at 5 p.m.

• "Laisse-moi tranquille !"

  Leave me alone!

• "Il a laissé ses clés sur la table."

  He left his keys on the table.

Usage

Common French verb with multiple uses: physical departure, permission (often followed by infinitive), and leaving something behind. *Laisser + infinitive* is idiomatic for letting/allowing: *laisse-le partir* (let him leave). Register is neutral across formal and informal contexts.