UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ɪˈliːgəl/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ɪˈligəl/ ,USA pronunciation: respelling(i lēgəl)

WordReference Random House Learner's Dictionary of American English © 2020
il•le•gal /ɪˈligəl/USA pronunciation   adj. 
  1. Lawagainst the law;
    forbidden by law or statute:illegal possession of marijuana.[It + be + ~ + (for + noun + ) to + verb]It is illegal (for drivers) to park on this street.
  2. Sportforbidden by official rules or regulations:an illegal forward pass in football.

n. [countable]
  1. a person who has entered a country without official legal permission:captured a number of illegals at the border.
il•le•gal•ly, adv. See -leg-.

WordReference Random House Unabridged Dictionary of American English © 2020
il•le•gal  (i lēgəl),USA pronunciation adj. 
  1. Lawforbidden by law or statute.
  2. Sportcontrary to or forbidden by official rules, regulations, etc.:The referee ruled that it was an illegal forward pass.

  1. [Informal.]See  illegal alien. 
il•legal•ly, adv. 
  • Medieval Latin illēgālis. See il-2, legal
  • 1620–30
    • 1.See corresponding entry in Unabridged unlawful;
      Illegal, unlawful, illegitimate, illicit, criminal can all describe actions not in accord with law.
      Illegal refers most specifically to violations of statutes or, in organized athletics, codified rules:an illegal seizure of property; an illegal block(in football).
      Unlawful means not sanctioned by or according to law:an unlawful claim to the inheritance; to take unlawful advantage of the trading situation.Illegitimate means lacking legal or traditional right or rights:an illegitimate child; illegitimate use of privileged knowledge.Illicit, which originally meant simply "not permitted,'' now most often applies to matters regulated by law with specific emphasis on the way things are carried out:illicit conversion of property; an illicit attempt to control the market.Criminal most often refers to violation of the statutes of penal as opposed to civil law. All felonies are criminal as are all crimes sometimes punishable by death such as murder, arson, and kidnapping:a criminal act.

Collins Concise English Dictionary © HarperCollins Publishers::
illegal /ɪˈliːɡəl/ adj
  1. forbidden by law; unlawful; illicit
  2. unauthorized or prohibited by a code of official or accepted rules
  1. a person who has entered or attempted to enter a country illegally

ilˈlegally adv ˌilleˈgality n
'illegal' also found in these entries:
Collocations: [deport, arrest] illegals, is [prejudiced, racist] against illegals, arrested for [aiding, hiding, employing] illegals, more...

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