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View synonyms for illegal

illegal

[ih-lee-guhl]

adjective

  1. forbidden by law or statute.

  2. contrary to or forbidden by official rules, regulations, etc..

    The referee ruled that it was an illegal forward pass.



noun

  1. Informal: Disparaging and Offensive.,  illegal alien.

illegal

/ ɪˈliːɡəl /

adjective

  1. forbidden by law; unlawful; illicit

  2. unauthorized or prohibited by a code of official or accepted rules

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a person who has entered or attempted to enter a country illegally

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Sensitive Note

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Other Word Forms

  • illegally adverb
  • illegality noun
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Word History and Origins

Origin of illegal1

From the Medieval Latin word illēgālis, dating back to 1620–30. See il- 2, legal
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Compare Meanings

How does illegal compare to similar and commonly confused words? Explore the most common comparisons:

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Synonym Study

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.
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Today, the court made a clear judgement: I did nothing illegal on September 18.

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“Look, I did nothing criminal, I did nothing illegal,” Homan said.

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"The number one problem about deporting illegal immigrants, first of all, is finding a place which will take them and which is not unsafe," argues Lord Sumption.

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“His actions — and those of his Cabinet — are against our deeply held American values. He needs to stop this illegal charade now.”

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Bost argues that this effectively extends Election Day and that residents who vote in person are having their votes “diluted by illegal ballots received in violation of the federal Election Day statutes.”

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Related Words

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Ille-et-Vilaineillegal alien