Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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illegal

il·le·gal

illegal

 
 
pronunciation:
ih li gl
features:
Word Combinations (adjective), Word Parts
part of speech: adjective
definition 1: contrary to law, rules, or the like; unlawful.
He was arrested for illegal possession of a gun.That is an illegal move in this game.
 
synonyms:
illegitimate, illicit, outlawed, proscribed, unlawful
antonyms:
lawful, legal, legitimate, licit
similar words:
banned, criminal, forbidden, unconstitutional, under-the-counter, under-the-table, wildcat, wrongful
definition 2: in computer science, not recognizable or acceptable in a computer program; not performable.
an illegal operation
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derivation: illegally (adv.)
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