noun, noun or participle which takes 'suru', transitive verb, noun which may take the genitive case particle 'no'
wiretapping; bugging; interception
Refers to secretly listening to or recording private conversations, often via electronic devices. Used in criminal, espionage, and privacy contexts.
警察は容疑者の電話を盗聴していた。
The police were wiretapping the suspect's phone.
A bugging device had been planted in the conference room.