bi-curious UK /bʌɪˈkjʊə.ɹɪəs/US /baiˈkjɚ.i.ɪs/ adjective1 •Interested in having relationships with both men and women, curious about one's potential bisexuality; especially, of heterosexual people, considering a first sexual experience with a member of the same sex.Bi curious M/F or cpls. — 1984 formsmore bi-curious · most bi-curious