noun

intruder

intruder, trespasser, burglar

The alarm scared the intruder away.

The alarm scared the intruder away.

She felt like an intruder at the party.

She felt like an intruder at the party.

an ((intruder)) in (a place) a person who enters a place illegally Police arrested an intruder in the museum.

Synonyms: trespasser, invader, burglar; Antonyms: guest, visitor

From the verb 'intrude' + the agent noun suffix '-er'. It means 'one who intrudes'.

An intruder is a person who 'intrudes'. If you know the verb, the noun is easy to remember.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.