- 1[intransitive] to go or be somewhere where you are not wanted or are not supposed to be I'm sorry to intrude, but I need to talk to someone. intrude into/on/upon somebody/something legislation to stop newspapers from intruding on people's private lives
- 2[intransitive] intrude (on/into/upon something) to disturb something or have an unpleasant effect on it The sound of the telephone intruded into his dreams.
NAmE//ɪnˈtrud//Verb Forms present simple I / you / we / they intrude
he / she / it intrudes
past simple intruded
-ing form intruding