interloper
noun
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The History of Interloper
If you keep chickens, a coyote loping around in the vicinity of your coop is not welcome. You'd be justified, both semantically and etymologically, in calling such a coyote an interloper. The -loper part of interloper shares an ancestor with the Old English verb hlēapan, meaning "to leap," and the Dutch verb lopen, meaning "to run." (The verb lope does too.) The prefix inter- means "between" or "among," so an interloper is essentially one that leaps in among others (for example, a flock of hens) without an invitation to do so. Interloper made itself at home among English speakers in the late 1500s; the verb interlope, which arrived close in tow in the early 1600s, is likely a back-formation.
Cite this Entry
“Interloper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interloper. Accessed 3 Aug. 2026.
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