domestic partner

See more synonyms for domestic partner on Thesaurus.com
noun
  1. either member of an unmarried, cohabiting, and especially homosexual couple that seeks benefits usually available only to spouses.

Origin of domestic partner

First recorded in 1975–80
Related formsdomestic partnership, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for domestic partner

beneficiary, companion, lover, partner, spouse, cohabitant, housemate