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  1. INTRUDER Definition & Meaning - Merriam-Webster

    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.

  2. Intruder - Definition, Meaning & Synonyms | Vocabulary.com

    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 …

  3. INTRUDER | English meaning - Cambridge Dictionary

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

  4. Intruder Definition & Meaning | Britannica Dictionary

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

  5. INTRUDER definition in American English | Collins English …

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

  6. Intruder - definition of intruder by The Free Dictionary

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

  7. What Is An Intruder? Overview of Home Security & Trespassers

    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 …

  8. intruder, n. meanings, etymology and more | Oxford English …

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

  9. Intruder: Meaning, Usage, Idioms & Fun Facts Explained

    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!

  10. intruder - Definition, pictures, pronunciation and usage notes

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