1.
intruder; trespasser; invader
A person who enters a place without permission or authorization. Can refer to burglars, unauthorized visitors, or in a broader sense, foreign invaders.
侵入者が捕まった。
The intruder was caught.
セキュリティカメラに侵入者が映っていた。
An intruder was captured on the security camera.
夜中に侵入者が庭に入ってきたので、すぐに警察に通報した。
An intruder came into the yard in the middle of the night, so I immediately called the police.
Composed of 侵入 (intrusion, trespassing) + 者 (person). The word carries a clear negative connotation — the person is somewhere they should not be.
COMMON COLLOCATIONS:
- 侵入者を捕まえる — to catch an intruder
- 侵入者を検知する — to detect an intruder
- 不法侵入者 — illegal trespasser
RELATED TERMS:
- 侵入 — intrusion, trespassing (the act itself)
- 不審者 — suspicious person; broader term, not necessarily someone who has already entered
- 泥棒 — thief, burglar; implies intent to steal