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.

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.

/ ɪnˈtru·dər / Add to word list someone who enters a place without permission, esp. in order to commit a crime (Definition of intruder from the Cambridge Academic Content Dictionary © Cambridge …

To put or force in inappropriately, especially without invitation, fitness, or permission: intruded...

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

The term intruder carries significant weight in various contexts, often invoking a sense of discomfort or unease. An intruder is commonly defined as a person who enters a place uninvited or unwelcome, …

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, …

An intruder is a person or entity, who enters without permission or authorization, often with intent to disturb, disrupt, damage or causing harm. This term is often used in the context of property …

Someone who intrudes. intrude + -er. The intruder fell back out the window. We had an intruder last night. Jule sensed the intruder shortly after dozing off. In England the Norman duke came in as a …