illegal alien

noun
1.
a foreigner who has entered or resides in a country unlawfully or without the country's authorization.
2.
a foreigner who enters the U.S. without an entry or immigrant visa, especially a person who crosses the border by avoiding inspection or who overstays the period of time allowed as a visitor, tourist, or businessperson.
Compare resident alien.
Also called illegal immigrant.
Examples from the web for illegal alien
  • Your illegal alien example doesn't work because they shouldn't have the free will to do anything but leave the country.
  • In the majority of these illegal alien havens, the prosecution of these people has waned.
  • He was arrested on a charge of being an illegal alien in possession of a firearm.
  • The purpose of this amendment is to change the way income of an illegal alien is counted.
  • The employer has not knowingly hired an illegal alien.