1. Definition & Meaning
- Heterosexual (adjective & noun)
- Pronunciation: /ˌhɛtərəˈsɛkʃuəl/
- Meaning: Describes a person who is emotionally, romantically, or sexually attracted to people of the opposite sex.
2. Grammatical Formation
- Adjective: a heterosexual couple
- Noun: She identifies as a heterosexual.
3. Word Comparisons
| Term | Definition |
|---|---|
| heterosexual | Opposite‑sex attraction |
| homosexual | Same‑sex attraction |
| bisexual | Attraction to both same and opposite sexes |
| gay | Informal for a homosexual person (often male‑identified) |
| lesbian | A homosexual woman |
4. Changes with Prepositions
- heterosexual in
He’s heterosexual in orientation. - heterosexual with
(rare) She feels heterosexual with her partner. - heterosexual to/for
Unidiomatic; “heterosexual” typically stands alone.
Note: “Heterosexual” most commonly appears as an adjective or noun without added prepositions.
5. Common Collocations & Idiomatic Usage
- Collocations:
- heterosexual orientation
- heterosexual relationship
- heterosexual marriage
- heterosexual community
- Idioms/Expressions:
- straight arrow: (informal) someone very conventional, also a play on “straight” = heterosexual
- cishet: shorthand for cisgender heterosexual
6. Real‑Life Examples
- Adjective:
- They are a heterosexual couple preparing for their wedding.
- Noun:
- After self‑reflection, he realized he is a heterosexual.
- Idiomatic:
- She’s a straight arrow—always follows social norms.
7. Synonyms & Antonyms
- Synonyms: straight, opposite‑sex, cishet
- Antonyms: homosexual, gay, lesbian, queer
8. Related Terms
- sexual orientation
- LGBTQIA+
- cisgender
- bisexual
- pansexual
- asexual
9. Connection to Sexuality
Yes—“heterosexual” directly describes a sexual orientation, indicating attraction to individuals of the opposite sex. It is one of the primary categories in discussions of human sexuality and identity.
Sexopedia.co is an educational glossary of sexual and gender‑related terms—helping you improve your English while deepening your understanding of identity, language, and self‑expression.