sexually or romantically attracted to both men and women, or to more than one sex or gender

she had known for some time that she was bisexual

the government lifted the ban on gay and bisexual people serving in the armed forces

(of a flower) having both stamens and pistils; hermaphrodite

(of a species) having two distinct sexes

in mainland Europe there are eleven bisexual species of this genus

a person who is sexually or romantically attracted to both men and women, or to more than one sex or gender

the group described itself as promoting the rights of lesbians, bisexuals, and gay men