epicene(of or relating to nouns or pronouns in any language that have a single form for male and female referents) adjective [UK: ˈe.pɪ.siːn] [US: ˈe.pɪ.ˌsiːn]
unisex(not distinguished on the basis of sex or gender; suitable for any sex or gender) adjective [UK: ˈjuː.nɪ.seks] [US: ˈjuː.ˌnɪ.ˌseks]