異性愛(いせいあい)

いせいあい
noun
heterosexuality
society
1. heterosexuality; attraction to the opposite sex
Sexual or romantic attraction to people of the opposite sex. Used in academic, medical, and social discourse about sexual orientation.
異性愛(いせいあい)は性的指向(せいてきしこう)の一(ひと)つだ。
Heterosexuality is one type of sexual orientation.
異性愛(いせいあい)を前提(ぜんてい)とした社会(しゃかい)の見方(みかた)が見直(みなお)されている。
Social perspectives that assume heterosexuality are being reconsidered.
性的指向(せいてきしこう)には異性愛(いせいあい)、同性愛(どうせいあい)、両性愛(りょうせいあい)などがあり、多様性(たようせい)を尊重(そんちょう)する意識(いしき)が広(ひろ)がっている。
Sexual orientations include heterosexuality, homosexuality, and bisexuality, among others, and awareness of respecting this diversity is spreading.

A compound of 異性(いせい) (the opposite sex) and 愛(あい) (love). The related adjective form is 異性愛(いせいあい)の, and a person of this orientation is called 異性愛者(いせいあいしゃ) (heterosexual person).

This term is neutral and used in formal, academic, and journalistic contexts. In casual speech, ストレート (straight) is also sometimes used as an English loanword.

Common collocations

Similar words

  • 同性愛(どうせいあい): homosexuality — attraction to the same sex
  • 両性愛(りょうせいあい): bisexuality — attraction to both sexes
  • 性的指向(せいてきしこう): sexual orientation — the umbrella concept

Related Words

Compare: 同性愛(どうせいあい) (homosexuality)
general
Added 2026.4.23 22:29 · Revised 2026.9.2 13:02
25000/25188_iseiai