illegal

Từ điển Oxford Advanced Learner 8th

il·legal AW adjective, noun BrE [ɪˈliːɡl] NAmE [ɪˈliːɡl]
adjective
not allowed by the law
•illegal immigrants/aliens
• It's illegal to drive through a red light.
Opp: ↑legal

Word Origin:
early 17th cent.: from French illégal or medieval Latin illegalis, from Latin in- ‘not’ + legalis ‘according to the law’.

Thesaurus:
illegal adj.
•Their action was judged illegal by the court.
illicit • • pirate • • delinquent • • unconstitutional • |formal illegitimate • |formal law criminal • • unlawful •
Opp: legal
a/an illegal/illicit/unconstitutional/delinquent/criminal/unlawful act
illegal/illicit/delinquent/criminal/unlawful activity/conduct
illegal/illicit/criminal/unlawful possession of drugs/weapons

Example Bank:
•Prize-fighting remained popular, though technically illegal, until the 1880s.
•Such acts are clearly illegal.
•The sale of these knives should be made illegal.
•Their action was judged illegal by the International Court.
•blatantly illegal counter-intelligence methods
•It's illegal to drive through a red light.
•Most of these jobs are done by illegal immigrants.
Derived Word: ↑illegally
 
noun (NAmE)
a person who lives or works in a country illegally

Word Origin:
[illegal illegally] early 17th cent.: from French illégal or medieval Latin illegalis, from Latin in- ‘not’ + legalis ‘according to the law’.