intruder

/in'tru:də/

Thân thiện

A homeowner sees an intruder outside the window at night.

Definition

Noun: 1. A person who enters a place or situation without permission or welcome: Someone who intrudes, especially on someone else's privacy, property, or affairs. 2. An unwanted or unwelcome person or thing that enters a space or system: Often implies a violation of boundaries or security.

Usage and Examples

• The security alarm was triggered by an intruder in the warehouse.
• She felt like an intruder at the private family gathering.
• The software detects and blocks network intruders.

Advanced Usage

• "To feel like an intruder": To feel unwelcome or that one's presence is inappropriate in a situation.
  • Listening to their personal argument, I felt like an intruder.
• In military/aviation contexts, it can refer to an enemy aircraft in restricted airspace.
  • Radar identified an unidentified intruder approaching the coast.

Variants and Related Words

• Intrude (verb): To enter or be present where one is not welcome or has no right to be.
  • I don't want to intrude on your meeting.
• Intrusion (noun): The act of intruding.
  • The noise from the street was a constant intrusion.

Synonyms

• Trespasser
• Interloper
• Unwelcome guest

Related Phrases

• Gatecrasher: An intruder at a party or event.
• Home invader: An intruder who breaks into a house.

Học thuật

Noun

1. someone who intrudes on the privacy or property of another without permission

Từ đồng nghĩa

• interloper
• trespasser