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Definition of "interloper" []

  • One that interferes with the affairs of others, often for selfish reasons; a meddler. (noun)
  • One that intrudes in a place, situation, or activity: "When these interlopers choke out native species, ecologists see a danger signal” ( William K. Stevens). (noun)
  • Archaic One that trespasses on a trade monopoly, as by conducting unauthorized trade in an area designated to a chartered company. (noun)
  • Archaic A ship or other vessel used in such trade. (noun)
  • An intruder (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A person who introduces himself into professional or social circles where he does not belong (noun)
  • A person who interferes in matters that are not his concern (noun)
  • A person who trades unlawfully (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "interloper" in a sentence
  • "The Dads get off scott free, because hey they aren’t pregnant, it must be Mom’s fault this interloper is arriving."
  • "Way back in 2000, every single one came from Asimov’s, F&SF or Analog, save for an interloper from the semi-prozine Interzone."
  • "This is especially the case if you have hard water and the interloper is a car parked in your favorite space along your lawn."