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interloper

American  
[in-ter-loh-per] / ˈɪn tərˌloʊ pər /

noun

  1. a person who interferes or meddles in the affairs of others.

    He was an atheist who felt like an interloper in this religious gathering.

  2. an intruder; trespasser.

  3. a person who intrudes into some region or field of trade without a proper license.


interloper British  
/ ˈɪntəˌləʊpə /

noun

  1. an intruder

  2. a person who introduces himself into professional or social circles where he does not belong

  3. a person who interferes in matters that are not his concern

  4. a person who trades unlawfully

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of interloper

First recorded in 1585–95; inter- + lope + -er 1 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The interloper came from an unlikely place: Ohio.

From The Wall Street Journal • Mar. 3, 2026

From its display case in the museum’s “Stories from Mesoamerica” hall, the iridescent plumage shimmers like a rainbow encased in glass, a tropical interloper to these northern climes.

From Los Angeles Times • Oct. 24, 2025

The career interloper was on the cusp of becoming the establishment, if he wasn’t already.

From Slate • Sep. 10, 2025

The last time he played Glastonbury, in 2002, he was viewed as an interloper – sitting awkwardly on the bill beside the likes of The White Stripes, Coldplay and Orbital.

From BBC • Jun. 24, 2025

There I was an interloper, wandering in rooms that did not know me, sitting at a desk and in a chair that was not mine.

From "Rebecca" by Daphne du Maurier