# 性交
## Chinese

* 性交 (Written Standard Chinese)
* séng-gău (Eastern Min)
* 性交 (Gan)
* 性交 (Wu)
* 性交 (Cantonese)

### Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

### Pronunciation

* Mandarin
    (Pinyin): xìngjiāo
    (Zhuyin): ㄒㄧㄥˋ ㄐㄧㄠ
* Cantonese (Jyutping): sing$^3$ gaau$^1$
* Hakka (Sixian, PFS): sin-kâu
* Eastern Min (BUC): séng-gău
* Southern Min
    (Hokkien, POJ): sèng-kau
    (Teochew, Peng'im): sên$^3$ gao$^1$
* Wu (Shanghai, Wugniu): $^5$shin-kau
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: xìngjiāo
*** Zhuyin: ㄒㄧㄥˋ ㄐㄧㄠ
*** Tongyong Pinyin: sìngjiao
*** Wade–Giles: hsing$^4$-chiao$^1$
*** Yale: syìng-jyāu
*** Gwoyeu Romatzyh: shinqjiau
*** Palladius: синцзяо (sinczjao)
*** Sinological IPA : /ɕiŋ⁵¹ t͡ɕi̯ɑʊ̯⁵⁵/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: sing$^3$ gaau$^1$
*** Yale: sing gāau
*** Cantonese Pinyin: sing$^3$ gaau$^1$
*** Guangdong Romanization: xing$^3$ gao$^1$
*** Sinological IPA : /sɪŋ³³ kaːu̯⁵⁵/
* Hakka
** (Sixian, incl. Miaoli and Neipu)
*** Pha̍k-fa-sṳ: sin-kâu
*** Hakka Romanization System: xin gau$^ˊ$
*** Hagfa Pinyim: xin$^4$ gau$^1$
*** Sinological IPA: /sin⁵⁵ kau̯²⁴/
* Eastern Min
** (Fuzhou)
*** Bàng-uâ-cê: séng-gău
*** Sinological IPA : /siŋ²¹³⁻⁵⁵ $^{(k-)}$ŋau⁵⁵/
* Southern Min
** (Hokkien)
*** Pe̍h-ōe-jī: sèng-kau
*** Tâi-lô: sìng-kau
*** Phofsit Daibuun: seangkaw
*** IPA (Xiamen): /siɪŋ²¹⁻⁵³ kau⁴⁴/
*** IPA (Quanzhou): /siɪŋ⁴¹⁻⁵⁵⁴ kau³³/
*** IPA (Zhangzhou): /siɪŋ²¹⁻⁵³ kau⁴⁴/
*** IPA (Taipei): /siɪŋ¹¹⁻⁵³ kau⁴⁴/
*** IPA (Kaohsiung): /siɪŋ²¹⁻⁴¹ kau⁴⁴/
** (Teochew)
*** Peng'im: sên$^3$ gao$^1$
*** Pe̍h-ōe-jī-like: sèⁿ kau
*** Sinological IPA : /sẽ²¹³⁻⁵⁵ kau³³/
* Wu
** (Northern: Shanghai)
*** Wugniu: $^5$shin-kau
*** MiniDict: shin$^去$ kau
*** Wiktionary Romanisation (Shanghai): $^2$xin-kau
*** Sinological IPA (Shanghai): /ɕin³³ kɔ⁴⁴/

### Verb

性交
* to have sex; to have sexual intercourse

#### Synonyms

* 上床 (shàngchuáng) (figuratively)
* 交合 (jiāohé) (euphemistic)
* 交媾 (jiāogòu) (literary)
* 交接 (jiāojiē)
* 做愛／做爱 (zuò'ài)
* 去motel (Taiwan)
* 同房 (tóngfáng) (euphemistic)
* 啪啪 (pāpā) (onomatopoeia, euphemistic)
* 啪啪啪 (pāpāpā) (onomatopoeia, euphemistic)
* 嘿咻 (hēixiū) (slang)
* 執劑／执剂 (zap$^1$ zai$^1$) (Cantonese, slang, euphemistic)
* 屌閪／屌𲈹 (diu$^2$ hai$^1$) (Cantonese, vulgar)
* 愛愛／爱爱 (ài'ài) (euphemistic)
* 戳屄 (Wu)
* 扑嘢 (bok$^1$ je$^5$) (Cantonese, slang)
* 搞嘢 (gaau$^2$ je$^5$) (Cantonese)
* 敦倫／敦伦 (dūnlún)
* 炒飯／炒饭 (chǎofàn) (Taiwan)
* 發生性行為／发生性行为 (fāshēng xìngxíngwéi)
* 相使 (Min Nan)
* 相姦／相奸 (Hokkien)
* 相箍 (Min Nan)
* 睡覺／睡觉 (euphemistic)
* 肏屄 (càobī) (vulgar, with a woman)
* 行埋 (haang$^4$ maai$^4$) (Cantonese)
* 行房 (xíngfáng) (euphemistic, chiefly of a couple)
* 親熱／亲热 (qīnrè) (euphemistic)

#### Derived terms

* 安全性交 (ānquán xìngjiāo)
* 性交體位／性交体位 (xìngjiāo tǐwèi)
* 插入性性交 (chārùxìng xìngjiāo)
* 虛擬性交／虚拟性交 (xūnǐ xìngjiāo)
* 陰道性交／阴道性交 (yīndào xìngjiāo)

## Japanese

Kanji in this term :
| 性 | 交 |
| せい Grade: 5 | こう Grade: 2 |
| kan'on ||

### Etymology

/seikau/ → /seikɔː/ → /seːkoː/
Ultimately from Middle Chinese compound 性交 (sjeng$^H$ kæw, literally “sex + cross”). Compare modern Hakka sin-kâu or Cantonese sing$^3$ gaau$^1$.
First cited to a text from 1912.

### Pronunciation

* (Tokyo) せーこー [sèékóó] (Heiban – [0])
* IPA: [se̞ːko̞ː]

### Noun

性(せい)交(こう) • (seikō)
* [from 1912] sexual intercourse, sex, coitus, copulation

#### Usage notes

This term is more formal and clinical than the everyday term セックス (sekkusu).

#### Derived terms

* 肛門性交(こうもんせいこう) (kōmon seikō, “anal sex”)
* 性交体位(せいこうたいい) (seikō taii, “sex position”)

### Verb

性(せい)交(こう)する • (seikō suru) suru (stem 性(せい)交(こう)し (seikō shi), past 性(せい)交(こう)した (seikō shita))
* [from 1912] to have sex, to copulate
    Synonyms: see Thesaurus:性交する

#### Usage notes

This term is more formal and clinical than the everyday term セックス (sekkusu).

#### Conjugation

Katsuyōkei ("stem forms") :
| Mizenkei ("imperfective") | 性交し | せいこうし | seikō shi |
| Ren’yōkei ("continuative") | 性交し | せいこうし | seikō shi |
| Shūshikei ("terminal") | 性交する | せいこうする | seikō suru |
| Rentaikei ("attributive") | 性交する | せいこうする | seikō suru |
| Kateikei ("hypothetical") | 性交すれ | せいこうすれ | seikō sure |
| Meireikei ("imperative") | 性交せよ¹ 性交しろ² | せいこうせよ¹ せいこうしろ² | seikō seyo¹ seikō shiro² |
| Key constructions ||||
| Passive | 性交される | せいこうされる | seikō sareru |
| Causative | 性交させる 性交さす | せいこうさせる せいこうさす | seikō saseru seikō sasu |
| Potential | 性交できる | せいこうできる | seikō dekiru |
| Volitional | 性交しよう | せいこうしよう | seikō shiyō |
| Negative | 性交しない | せいこうしない | seikō shinai |
| Negative continuative | 性交せず | せいこうせず | seikō sezu |
| Formal | 性交します | せいこうします | seikō shimasu |
| Perfective | 性交した | せいこうした | seikō shita |
| Conjunctive | 性交して | せいこうして | seikō shite |
| Hypothetical conditional | 性交すれば | せいこうすれば | seikō sureba |
| ¹ Written imperative ² Spoken imperative ||||

### References

* ↑ Shōgaku Tosho (1988) 国語大辞典（新装版） [Unabridged Dictionary of Japanese (Revised Edition)] (in Japanese), Tōkyō: Shogakukan, →ISBN
* ↑ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
* ↑ NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tokyo: NHK Publishing, Inc., →ISBN
   * 2002, Ineko Kondō; Fumi Takano; Mary E Althaus; et. al., Shogakukan Progressive Japanese-English Dictionary, Third Edition, Tokyo: Shōgakukan, →ISBN.

## Korean

Hanja in this term :
| 性 | 交 |

### Noun

性交 • (seonggyo) (hangeul 성교)
* hanja form of 성교 (“sexual intercourse, sex, coitus, copulation”)

## Vietnamese

chữ Hán Nôm in this term :
| 性 | 交 |

### Noun

性交
* chữ Hán form of tính giao (“sexual intercourse, sex, coitus, copulation”).