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Definition intruder in British English

intruder noun

[countable] noun
/ɪnˈtruːdə(r)/
1

someone who enters a place where they are not allowed to go, especially to commit a crime

Example

The dog scared off intruders who had tried to break into the house.

Synonyms and related words
2

someone who becomes involved in a situation in which they are not welcome

Example

I don't belong here. I feel like an intruder.

Synonyms and related words
Definition intruder in British English