illegal
//ɪˈliːɡəl//
Adjective
1
Contrary to or forbidden by law; unlawful.
It is illegal to drive without a license.
2
Not sanctioned by official rules or regulations.
The referee called an illegal move during the chess tournament.
Synonym
Noun
1
A person who lives or works in a country without official permission or documentation.
The company was fined for hiring illegals.