sex partner

sex partner (plural sex partners)

1. Someone that one has sex with, especially on an informal or casual basis.

   Synonyms: sexual partner; see also Thesaurus:sexual partner

   • 2002, Colin Jones, The Great Nation, Penguin, published 2003, page 126:

     The effect was ruined, however, by Louis's decision [...] to be accompanied by his mistress, the duchesse de Châteauroux, along with her sister, the duchesse de Lauraguais (who was Louis's occasional sex-partner rather than a fully-fledged royal mistress).

   • 2006 May 14, Lynn Barber, The Observer:

     But the 44-year-old trouper earns £7,000 a night as a DJ, insists he can beat his weakness for drugs, and makes no apologies for cruising online for sex partners.

• ex-partners, expartners