| 主な訳語 |
WordReference English-Japanese Dictionary © 2026:
| sex n | (intercourse) | セックス 、 性交 、 性交渉 、 性行為 名
HHiraganaせっくす 、 せいこう 、 せいこうしょう 、 せいこうい |
| | (俗語) | エッチ 名
HHiraganaえっち |
| | Sex is less important than friendship in maintaining a happy relationship. |
| | 幸せな関係を保持するには、性行為より友情の方が重要だ。 |
| | ⓘこの文は英語例文の訳ではありません。 最近、エッチしていないの。 |
| sex n | (biology: male, female) (生物学) | 性 、 性別 、 男女または雄雌の区別 名
HHiraganaせい 、 せいべつ 、 だんじょまたはおすめすのくべつ |
| | It is very hard to determine the sex of some birds. |
| | ある種の鳥の性別（or: 雄雌）を判断するのはとても難しい。 |
| sex n | (sexual attraction) | 性的魅力、色気 名
HHiraganaせいてきみりょく、いろけ |
| | Sex has always been used to sell movies. |
成句・複合語：
sex | sexed |
WordReference English-Japanese Dictionary © 2026:
| anal sex n | (sex via the anus) | アナルセックス、肛門性交 名
HHiraganaあなるせっくす、こうもんせいこう |
| | According to the survey, half of all men and women have attempted anal sex. |
coed,
co-ed,
also UK: mixed,
mixed-sex adj | mainly US, abbreviation (coeducational) (学校) | 男女共学の、共学制の、男女共用の 連体句
HHiraganaだんじょきょうがくの、きょうがくせいの、だんじょきょうようの |
| | Did you live in a coed dorm in college? |
coeducational,
co-educational,
also UK: mixed,
mixed-sex adj | mainly US (school: for both sexes) (学校) | 男女共学の 連体句
HHiraganaだんじょきょうがくの |
| | The school Valerie went to was coeducational, but she is a teacher at an all-girls' school. |
the fair sex,
the fairer sex,
the gentle sex,
the gentler sex n | dated, offensive (women, girls) (集合的) | 女性 名
HHiraganaじょせい |
| | It's a myth that the fair sex aren't as cool-headed as men. |
| have sex vtr + n | (have intercourse) | 性交渉を持つ、セックスする 動詞句
HHiraganaせいこうしょうをもつ、せっくすする |
| | Having sex is an important component of marriage. Dan and Ben finally had sex. |
| | 性交渉は結婚の重要な要素である。ダンとベンは、とうとうセックスした。 |
| have sex with [sb] v expr | (have intercourse) | 性交渉を持つ 動
HHiraganaせいこうしょうをもつ |
| | His wife threw him out because he had sex with the neighbor. |
| | 彼は近所の人と性交渉を持ったため奥さんに捨てられた。 |
| oral sex n | (fellatio) | オーラルセックス、口腔性交 名
HHiraganaおーらるせっくす、こうくうせいこう |
| | Mary was performing oral sex on her boyfriend. |
| oral sex n | (cunnilingus) | クリニングス 名
HHiraganaくりにんぐす |
| | (俗) | クンニ 名
HHiraganaくんに |
| | Bill was performing oral sex on his girlfriend. |
| premarital sex n | (intercourse before marriage) | 婚前交渉、婚前性行為 名
HHiraganaこんぜんこうしょう、こんぜんせいこうい |
| | I don't believe in premarital sex: I'm going to wait till I'm married. |
| same-sex adj | (relationship: gay) | 同性の 形
HHiraganaどうせいの |
| | Same-sex marriage is such a contested issue everywhere. |
| sex appeal n | (sexual attractiveness) | 性的魅力、セックスアピール 名
HHiraganaせいてきみりょく、せっくすあぴーる |
| | That actor still has sex appeal, even in his seventies. |
| | あの俳優はもう70代なのに、まだセックスアピールがあるね。 |
| sex change n | dated, now offensive (gender reassignment) | 性転換 名
HHiraganaせいてんかん |
| sex chromosome n | (DNA that determines sex) (身体・組織) | 性染色体 名
HHiraganaせいせんしょくたい |
| | In females, the sex chromosomes are the two X chromosomes. |
| sex crime n | (sexual act without consent) | 性犯罪 名
HHiraganaせいはんざい |
| | The man was convicted of a sex crime. |
| sex discrimination n | (prejudice, bias based on gender) | 性差別、男女差別 名
HHiraganaせいさべつ、だんじょさべつ |
| | The company has a policy to prevent sex discrimination at work. |
| sex drive n | (sexual desire) | 性欲、性的欲求 名
HHiraganaせいよく、せいてきよっきゅう |
| | After his surgery he had little sex drive. |
| | 手術をしてから、彼の性的欲求はほとんど無くなった。 |
| sex hormone n | (substance controlling physical development) (生化学) | 性ホルモン 名
HHiraganaせいほるもん |
| | Oestrogen is the primary female sex hormone. |
| | エストロゲンは女性の主要な性ホルモンです。 |
| sex kitten n | figurative, slang (sexually assertive young woman) (比喩、俗語) | 若いセクシーな女性 名
HHiraganaわかいせくしーなじょせい |
| | The actress doesn't consider herself to be a sex kitten. |
| sex offender n | ([sb] convicted of sexual assault) | 性犯罪者 名
HHiraganaせいはんざいしゃ |
| | All American states keep a register of sex offenders. |
| sex organs npl | (genitalia) | 性器、生殖器 名
HHiraganaせいき、せいしょくき |
| | Elephants have very large sex organs. |
| sex surrogate n | (therapist who uses sex to treat [sb]) | 性の代理人 名
HHiraganaせいのだいりにん |
| | A sex surrogate treats patients with sexual difficulties through talk, touching, and intercourse. |
| sex toy n | (device: sexual stimulation) | 性のおもちゃ 名
HHiraganaせいのおもちゃ |
| | Sex toys are becoming increasingly popular. |
| sex trafficking n | (crime: sexual exploitation) | 性目的の人身売買 名
HHiraganaせいもくてきのじんしんばいばい |
| sex-change operation n | dated (gender reassignment surgery) | 性転換手術 名
HHiraganaせいてんかんしゅじゅつ |
| | Sam underwent a sex-change operation to change from a man to a woman. |
| sex-linked adj | (genetics: gene) | 伴性の 連体句 |
| sex-linked adj | (genetics: character) | 性に関係する 動詞句 |
sexual abuse,
sex abuse n | (indecent assault) | 性的虐待 名
HHiraganaせいてきぎゃくたい |
| | Jacobs is facing a charge of sexual abuse. |
sexual offender,
sex offender n | ([sb] convicted of a sex crime) | 性犯罪者 名
HHiraganaせいはんざいしゃ |
| single-sex adj | (school: girls- or boys-only) | 男女共学でない、男子校、女子校 形
HHiraganaだんじょきょうがくでない、だんしこう、じょしこう |
| | There are pros and cons to single-sex education. |