intruder

• Personne qui pénètre dans un lieu ou une situation sans autorisation, en violant souvent la vie privée ou la propriété d'autrui.

A noun referring to a person who enters a place or situation without permission, often violating privacy or property.

1. Unwanted visitorB1formal

   A person who enters a place or situation without permission, often causing disruption or alarm.

   Intrus

   • The security guard spotted an intruder in the building.
   • An intruder broke into their home while they were asleep.
   • The alarm system is designed to detect any intruder.

   Synonymesencroachergatecrasherinfiltratorinterloperinvadertrespasser

   Antonymescallerguestinviteevisitor