For, involving, or comprising both sexes. See also mixed school n. at compounds 2.

Having both male and female characteristics; spec. hermaphroditic.

Esp. of a club or society: admitting, composed of, or otherwise involving both men and women. Now historical.

Involving or comprising both men and women. Obsolete. rare.

Existing or occurring between men and women; applicable to or suitable for members of both sexes. rare.

Chiefly Biology. Of or belonging to the opposite sex; occurring or carried out between individuals of opposite sexes; (also of fraternal twins)…

= unisex, adj. 3.

Involving or comprising both men and women; suitable for both sexes.

suitable for, applicable to, or common to both males and females; (of a word, expression, etc.) not specifying gender; cf. sex-neutral adj. at sex…

Designed to be suitable for either sex; not peculiar to one sex.

Usually hyphenated. Encompassing, comprising, or applicable to all people regardless of sex or gender.