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illegal

  • adjective
  • il·le·gal
  • ĭ.lē'gəl

Contrary to, forbidden, or not authorized by law, especially criminal law.

Example

“This is illegal, you know!”

Other meanings

  1. Forbidden by established rules.

    “Moving a pawn backward is an illegal move in chess.”

  2. Totally fictitious, and often issued on behalf of a non-existent territory or country.

Related words

  • illegalisation
  • illegalise
  • illegalism
  • illegalist
  • illegalize
  • illegalness
  • illegal alien
  • illegal combatant
  • illegal forward kick
  • illegal immigration
  • illegal number
  • illegal prime

Word history

From Latin "legalis".

Where this comes from

This definition is adapted from “illegal” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.