The meaning of INTRUDER is one that intrudes; specifically : a military aircraft assigned to penetrate alone into enemy territory usually at night. How to use intruder in a sentence.

An intruder is someone who enters a place or situation despite not being invited. If a Girl Scout comes to your door to sell you cookies but ends up trying to watch TV with you, you can call her an intruder.

INTRUDER definition: 1. someone who is in a place or situation where they are not wanted: 2. someone who enters a place…. Learn more.

intruder (ɪnˈtruːdə) n a person who enters a building, grounds, etc, without permission

An intruder is a person who enters a place without permission. Windows and lighting help homeowners see intruders.

INTRUDER meaning: 1 : a person who is not welcome or wanted in a place; 2 : a person who enters a place illegally

Nov 7, 2025 · An intruder is someone who enters a property, building, or space without permission or legal right to be there. We’re talking about unauthorized individuals who break into homes, …

Oct 28, 2025 · From intrude +‎ -er. Someone who intrudes. All intruders will be shot!

intruder meaning, definition, what is intruder: someone who illegally enters a building ...: Learn more.

Definition of intruder in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.