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.

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

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

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

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

intruder, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

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, …

Discover the meaning of 'intruder', explore its usage in everyday language, popular idioms, and fun facts that make this word fascinating. Perfect for learners and curious minds!

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