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Definition of interloper
interloper
/ˈɪntɚˌloʊpɚ/
in · ter · lop · er
Plural:interlopers
interloper Lexical Profile
CEFR
C2
Grade
11
Tier
2
Usage
Rare
Syllables
4
interloper Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A person who becomes involved in a place, group, or situation where they are not wanted or are considered not to belong.
Example
"The long-time residents of the quiet coastal village initially viewed the wealthy newcomer as an unwelcome interloper."
2
An unauthorized trader who infringes on the rights or trade monopoly of an established mercantile company (historical).
Example
"During the seventeenth century, the Royal African Company frequently petitioned the crown to seize the vessels of independent interlopers."
Synonyms
View all synonyms for interloper Antonyms
View all antonyms for interloper• Nearby Words
Word Origin & Etymology
Coined in the late 16th century from the Latin prefix 'inter-' (between) and the dialectal English or Middle Dutch verb 'lopen' (to run), originally referring to an unauthorized merchant ship encroaching on a chartered trade monopoly.
Cite this Entry
Wordmom. (2026). Definition of Interloper. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/interloper