illegal Meaning in the Cambridge English Dictionary
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Meaning of “illegal” in the English Dictionary

"illegal" in British English

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illegaladjective

uk   us   /ɪˈliː.ɡəl/
B2 not ​allowed by ​law: a ​campaign to ​stop the illegal ​sale of ​cigarettes to ​children under 16 Prostitution is illegal in some ​countries. It is illegal todrive a ​car that is not ​registered and ​insured. Cocaine, ​LSD, and ​heroin are all illegal drugs/​substances.
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illegally
adverb uk   us   /-i/
B2 They ​entered the ​country illegally. an illegally ​parkedcar

illegalnoun [C]

informal
someone who ​lives or ​works in another ​country when they do not have the ​legalright to do this: He said ID ​cards would make it ​easier to ​deport illegals.
(Definition of illegal from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"illegal" in American English

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illegaladjective

 us   /ɪˈli·ɡəl/
against the ​law: Fireworks are illegal in many ​places.illegal immigrant/alien An illegal ​immigrant/​alien is a ​person who has ​entered a ​country without ​governmentpermission.
illegally
adverb  us   /ɪˈli·ɡə·li/
illegally ​obtainedpassports
(Definition of illegal from the Cambridge Academic Content Dictionary © Cambridge University Press)

"illegal" in Business English

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illegaladjective

uk   us   /ɪˈliːɡəl/
LAW not ​allowed by ​law: According to ​statelaw, smoking is illegal in all ​publicbuildings.illegal (for sb) to do sth It is illegal for a ​company to ​force an ​employee into early ​retirement.make sth illegal The new ​law will make it illegal to ​recordphoneconversations without ​consent. illegal ​sales/​profits/​trades
Compare
IT used to describe a character (= ​letter, ​number, or ​symbol) that you cannot use in a particular ​place on a ​computer, because it may ​create problems: The colon is the only illegal ​character for ​file and ​foldernames.
illegally
adverb
Approximately 500,000 ​workersenter the country illegally each ​year.
(Definition of illegal from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “illegal”
in Korean 불법의…
in Arabic غَيْر قَانُوني…
in Malaysian tidak sah…
in French illégal…
in Russian незаконный…
in Chinese (Traditional) 非法的,違法的…
in Italian illegale…
in Turkish yasadışı, kanuna/yasalara aykırı…
in Polish nielegalny…
in Spanish ilegal…
in Vietnamese bất hợp pháp…
in Portuguese ilegal…
in Thai ผิดกฎหมาย…
in German ungesetzlich…
in Catalan il·legal, il·lícit…
in Japanese 違法の…
in Chinese (Simplified) 非法的,违法的…
in Indonesian hukum…
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