How to say "homosexual" in Japanese

Choosing the right word
  • nounGlossed 'homosexual', but a less common word that you are unlikely to need: for any sense of the English term it is seldom the word you want.
  • nounGlossed 'homosexual' as well, but a less common word that is seldom the right choice for any sense; as a translation of the English term it is marginal at best.
  • nounA direct transliteration of English 'homosexual', covering the same ground as the English word; it is nonetheless less common, and for a homosexual person 同性愛者 is the plainer, more descriptive choice.
  • 同性愛者どうせいあいしゃ
    nounThe person sense only: a homosexual, a gay person — literally a 'same-sex-love person'. Neutral and descriptive, it is the word to use in careful writing and general discussion of homosexuality.
  • あっち系あっちけい
    nounSlang for a gay person, roughly 'the over-there type': an indirect way of saying someone is gay. It belongs to casual conversation, not to neutral description.

For a homosexual person, 同性愛者 is the descriptive word; 「ホモセクシャル」 directly echoes the English but is less common; 「ブルーセッカス」 and 「ブルーボーイ」 are marginal; 「あっち系」 is casual slang for 'gay'.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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