Antonyms of noun citizen

1 sense of citizen

Sense 1
citizen -- (a native or naturalized member of a state or other political community)
       Antonym of noncitizen (Sense 1)
      => foreigner, alien, noncitizen, outlander -- (a person who comes from a foreign country; someone who does not owe allegiance to your country)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun citizen

1 sense of citizen

Sense 1
citizen -- (a native or naturalized member of a state or other political community)
       => national, subject -- (a person who owes allegiance to that nation; "a monarch has a duty to his subjects")