illegal

adj.

1. Prohibited by law.
2. Prohibited by official rules: an illegal pass in football.
3. Unacceptable to or not performable by a computer: an illegal operation.

n.

An illegal immigrant.

illegally il·le'gal·ly adv.

adjective

1. Prohibited by law: illegitimate, illicit, lawless, outlawed, unlawful, wrongful. See crimes, law.
2. Of, involving, or being a crime: criminal, illegitimate, illicit, lawless, unlawful, wrongful. See crimes.

adj

Definition: against the law
Antonyms: allowed, authorized, ethical, good, lawful, legal, legitimate, moral, permissible, right

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adj

Not authorized by law; illicit.

Against the law. Behavior that can result in either criminal sanctions, such as prison sentences or fines, or civil sanctions, such as liability or injunctions, is illegal.

IN BRIEF: Not according to law.

In some places it is illegal to own cats and dogs in the same house.

Dansk (Danish)
adj. - illegal, ulovlig, lovstridig, retsløs, retsstridig, strafbar
n. - illegal indvandrer, ulovlig indvandrer, ulovlighed

Nederlands (Dutch)
illegaal, onwettelijk, iemand zonder papieren

Français (French)
adj. - illégal, illicite, clandestin, (Sport) irrégulier (des jeux), (Comput) interdit (une opération)
n. - (US) immigrant clandestin

Deutsch (German)
adj. - illegal, ungesetzlich
n. - illegaler Einwanderer

Ελληνική (Greek)
adj. - άνομος, παράνομος, αθέμιτος, λαθρο- (π.χ. λαθρομετανάστης)
n. - λαθρομετανάστης

Italiano (Italian)
illegale

Português (Portuguese)
adj. - ilegal
n. - imigrante (m) (f) indocumentado

Русский (Russian)
нелегальный

Español (Spanish)
adj. - ilegal, ilícito
n. - inmigrante ilegal, alien

Svenska (Swedish)
adj. - illegal, olaglig
n. - illegal invandrare el asylant

中文（简体）(Chinese (Simplified))
违法的, 不合规定的, 非法移民, 间谍, 密探

中文（繁體）(Chinese (Traditional))
adj. - 違法的, 不合規定的
n. - 非法移民, 間諜, 密探

한국어 (Korean)
adj. - 불법의, 위법의, 비합법적인
n. - 불법 이민자 또는 입국자

日本語 (Japanese)
adj. - 不法の, 違法の

العربيه (Arabic)
‏(صفه) غير قانوني (الاسم) مهاجر غير قانوني‏

עברית (Hebrew)
adj. - ‮לא-חוקי‬
n. - ‮זר השוהה באופן לא-חוקי‬

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