interloper
2 synonyms for interloper, grouped by meaning and by how common each one is.
Noun — Someone who intrudes into a situation where they are not wanted or welcome.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use interloper
The word patterns that sound natural to a native speaker.
Etymology
From inter- plus an old word "loper" ("runner, rover"); originally used for unlicensed traders who broke in on the privileges of chartered trading companies.
Full origin of interloper →