Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “interloper”


noun [C]     /ˈɪn.təˌləʊ.pər/ US  /-t̬ɚˌloʊ.pɚ/ disapproving
someone 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 .Taking part and getting involvedGetting involved for one's own benefit or against others' willCrimes against propertyArriving, entering and invading
(Definition of interloper noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of interloper

Definitions of “interloper” in other dictionaries

Translations of “interloper”

Word of the Day


to pour liquid slowly over something, especially in a thin line or in small drops

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More