| 黑 | hēi | black; dark; abbr. for Heilongjiang 黑龙江 province in northeast China |
| 黑色 | hēi sè | black |
| 黑龙江 | Hēi lóng jiāng | Heilongjiang province (Heilungkiang) in northeast China, abbr. 黑, capital Harbin 哈尔滨; Heilongjiang river forming the border between northeast China and Russia; Amur river |
| 黑人 | hēi rén | black person |
| 黑暗 | hēi àn | dark; darkly; darkness |
| 黑格尔 | Hēi gé ěr | Georg Wilhelm Friedrich Hegel (1770-1831), German philosopher |
| 黑夜 | hēi yè | night |
| 黑白 | hēi bái | black and white; right and wrong; monochrome |
| 黑板 | hēi bǎn | blackboard; CL:块,个 |
| 黑白电视 | hēi bái diàn shì | black and white TV |
| 黑市 | hēi shì | black market |
| 黑幕 | hēi mù | hidden details; dirty tricks; dark secrets |
| 黑海 | Hēi Hǎi | Black Sea |
| 黑色金属 | hēi sè jīn shǔ | ferrous metals (i.e. iron, chromium, manganese and alloys containing them) |
| 黑水 | Hēi shuǐ | Heishui county (Tibetan: khro chu rdzong) in Ngawa Tibetan and Qiang autonomous prefecture 阿坝藏族羌族自治州, northwest Sichuan |
| 黑体 | hēi tǐ | bold (typeface) |
| 黑帮 | hēi bāng | bunch of gangsters; criminal gang; organized crime syndicate |
| 黑色素 | hēi sè sù | black pigment; melanin |
| 黑心 | hēi xīn | ruthless and lacking in conscience; vicious mind full of hatred and jealousy; black core (flaw in pottery) |
| 黑旗军 | Hēi Qí Jūn | Black Flag Army |
| 黑麦 | hēi mài | rye (Secale cereale) |
| 黑压压 | hēi yā yā | see 乌压压 |
| 黑沉沉 | hēi chēn chēn | pitch-black |
| 黑山 | hēi shān | black mountain; Montenegro, former Yugoslavia; Heishan county in Jinzhou 锦州, Liaoning |
| 黑不溜秋 | hēi bù liū qiū | dark and swarthy |
| 黑信 | hēi xìn | blackmail |
| 黑冠长臂猿 | hēi guān cháng bì yuán | black crested gibbon (Nomascus nasutus) |
| 黑加仑 | hēi jiā lún | blackcurrant |
| 黑匣子 | hēi xiá zi | (airplane) black box |
| 黑名单 | hēi míng dān | blacklist; list of proscribed people (books etc) |
| 黑咕隆咚 | hēi gu lōng dōng | pitch-black; pitch-dark |
| 黑塞哥维那 | Hēi sè gē wéi nà | Herzegovena |
| 黑天半夜 | hēi tiān bàn yè | lit. the black sky of midnight; very late at night (idiom) |
| 黑奴吁天录 | Hēi nú yù tiān lù | Uncle Tom's Cabin, translated and adapted by Lin Shu 林纾 |
| 黑客 | hēi kè | hacker (computing) (loanword) |
| 黑客帝国 | Hēi kè dì guó | The Matrix (movie); The Matrix (1999 movie) |
| 黑客文 | hēi kè wén | hacker terminology; leetspeak |
| 黑尿症 | hēi niào zhèng | alkaponuria |
| 黑山县 | Hēi shān xiàn | Heishan county in Jinzhou 锦州, Liaoning |
| 黑店 | hēi diàn | lit. inn that kills and robs guests (esp. in traditional fiction); fig. a scam; protection racket; daylight robbery |
| 黑影 | hēi yǐng | shadow; darkness; twilight |
| 黑手党 | hēi shǒu dǎng | mafia |
| 黑斑 | hēi bān | black spot |
| 黑旋风 | Hēi Xuàn fēng | Li Kui; The Black Whirlwind; fast-moving |
| 黑木耳 | hēi mù ěr | Auricularia auricula-judae |
| 黑枕黄鹂 | hēi zhěn huáng lí | Black-naped oriole (Oriolus chinensis) |
| 黑桃 | hēi táo | spade ♠ (in card games) |
| 黑框 | hēi kuàng | black frame (around a funerary portrait or obituary) |
| 黑森林 | Hēi sēn lín | Black Forest; Schwarzwald |
| 黑森林蛋糕 | Hēi sēn lín dàn gāo | Black forest gateau; schwarzwälder Kirschtorte |
