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epicene

adjective

belonging to, or partaking of the characteristics of, both sexes: Fashions in clothing are becoming increasingly epicene.
flaccid; feeble; weak: an epicene style of writing.
effeminate; unmasculine.
(of Greek and Latin nouns) of the same gender class regardless of the sex of the being referred to, as Latin vulpēs “fox or vixen” is always grammatically feminine.
Grammar. (of a noun or pronoun) capable of referring to either sex, as attendant, chairperson, Kim, one, or they; having common gender.

noun

a person or thing that is epicene.

adjective

having the characteristics of both sexes; hermaphroditic
of neither sex; sexless
effeminate
grammar
1. denoting a noun that may refer to a male or a female, such as teacher as opposed to businessman or shepherd
2. (in Latin, Greek, etc) denoting a noun that retains the same grammatical gender regardless of the sex of the referent

noun

an epicene person or creature
an epicene noun

adj.

mid-15c., epycen, originally a grammatical term for nouns that may denote either gender, from Latin epicoenus “common,” from Greek epikoinos “common to many, promiscuous,” from epi “on” (see epi-) + koinos “common” (see coeno-). Extended sense of “characteristic of both sexes” first recorded in English c.1600; that of “effeminate” 1630s.