illegal

Definition of Illegal in English :

1. illegal

prohibited by law or by official or accepted rules

Example Sentences:
'an illegal chess move'

WordNet Lexical Database for English. Princeton University. 2010.

Illegal

adjective

1.

forbidden by law; unlawful; illicit

2.

unauthorized or prohibited by a code of official or accepted rules

noun

3.

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

adjective

1.

prohibited by law; against the law; unlawful; illicit; also, not authorized or sanctioned, as by rules

noun

2.

an alien who has entered a country illegally

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.
Offensive

A person who is not legally authorized to live and work in a country.