Synonyms of the word

heterosexuality

• n. The state of being sexually and romantically attracted primarily or exclusively to persons of the opposite…
• n. Sexual activity with a person of the opposite sex.

heterosexualism

• n. Discrimination against non-heterosexual people on the basis of their sexual orientation.

sex

• n. (countable) A category into which sexually-reproducing organisms are divided on the basis of their reproductive…
• n. (countable) Another category, especially of humans and especially based on sexuality or gender roles.
• n. (countable) The members of such a category, taken collectively.
• n. (uncountable) The distinction and relation between these categories, especially in humans; gender.
• n. (obsolete or literary, uncountable, with "the") Women; the human female sex and those who belong to it.
• n. (uncountable) Sexual activity, usually sexual intercourse unless preceded by a modifier.
• n. (countable, euphemistic or slang) Genitalia: a penis or vagina.
• v. (zoology, transitive) To determine the sex of an animal.
• v. (chiefly US, colloquial, intransitive) To have sex with.
• n. (obsolete) Alternative form of sect.

straightness

• n. (uncountable) The state or quality of being straight (especially in the sense of "heterosexual").
• n. (countable) The result or product of being straight.