interlopernoun [ C ]
uk/ˈɪn.təˌləʊ.pər/us/ˈɪn.t̬ɚˌloʊ.pɚ/disapprovingsomeone who becomes involved in an activity or a social group without being asked, or enters a place without permission:
Security did not prevent an interloper from getting onto the stage at the opening ceremony.
Thesaurus: synonyms and related words
Taking part and getting involved
- along
- attendee
- be (a) party to sth idiom
- be heavily into sth idiom
- be mixed up with/in sth idiom
- catch
- concern
- count
- deep
- get your teeth into sth idiom
- go in on sth
- hat
- immersive
- in on sth idiom
- neck
- punch above your weight idiom
- ring-in
- step
- step in
- submerge yourself in sth
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You can also find related words, phrases, and synonyms in the topics:
Crimes against property
Arriving, entering and invading