illegal

Plural: illegals

Adjective

• prohibited by law or by official or accepted rules
  • "an illegal chess move"

Adj

• Contrary to, forbidden, or not authorized by law, especially criminal law.
• Forbidden by established rules.
• Totally fictitious, and often issued on behalf of a non-existent territory or country.
• Being or doing something illegally.
• Being an illegal immigrant; residing in a country illegally.

Noun

• An undocumented immigrant; a person who has entered a country unlawfully.
• An illegal act or technique.
• Contraband, esp. illegal substances such as drugs.
• An illegal immigrant.
• A spy operating abroad illegally and under non-official cover, without visible ties to his or her country’s authorities.

Examples

• illegal immigrant
• illegal logger
• illegal pilot
• Moving a pawn backward is an illegal move in chess.
• Nearly 40 million people live in UK areas with illegal air pollution
• Playing ILLEGAL felt like a bold, rule-bending move on the Scrabble board.
• The computer program performed an illegal operation and was terminated.
• Their illegal mining operations in Asia, Africa and elsewhere, are protected by officials and police paid to look the other way – and powerful customers in the construction industry who prefer not to ask too many questions.
• This is illegal, you know!

Synonyms

bogus, criminal, crimmigrant, felonious, illegal immigrant, illicit, irregular, undocumented, unlawful

Antonyms

legal, lawful

Anagrams of illegal