| 黒い | くろい | black; dark; blackish; sun-tanned (skin) | n5 |
| 黒 | くろ | black; black stone; guilt; guilty person | n5 |
| 真黒 | まっくろ | pitch-black; jet-black; black; strongly tanned | |
| 暗黒 | あんこく | darkness | |
| 黒髪 | くろかみ | black hair | |
| 黒ずむ | くろずむ | to blacken; to darken | n1 |
| 浅黒い | あさぐろい | dark (skin, complexion, etc.); swarthy; tanned | |
| まっ黒 | まっくろ | pitch-black; jet-black; black; strongly tanned | |
| 黒雲 | くろくも | dark clouds; black clouds | |
| 黒板 | こくばん | blackboard | n4 |
| 赤黒い | あかぐろい | dark red; dark brown; reddish brown | |
| 青黒い | あおぐろい | black with hints of blue (as in a bruise); bluish black | |
| 真っ黒 | まっくろ | pitch-black; jet-black; black; strongly tanned | |
| 黒人 | こくじん | black person; woman in the nightlife business; demimondaine; geisha and prostitutes | |
| 目黒 | めぐろ | Meguro City (special ward of Tokyo); Bonin white-eye (Apalopteron familiare) | |
| 白黒 | しろくろ | black and white; monochrome; good and evil; right and wrong | n2 |
| どす黒い | どすぐろい | darkish; dusky; dark; murky | |
| 黒子 | くろご | stage assistant dressed in black; stagehand; prompter; behind-the-scenes supporter | |
| 真黒い | まっくろい | pitch black; deep black | |
| 大黒 | だいこく | god of wealth; monk's wife | |
| 黒色 | くろいろ | black (colour, color) | |
| 漆黒 | しっこく | pitch-black; jet-black | |
| 黒っぽい | くろっぽい | dark; blackish | |
| 黒山 | くろやま | mass (of people); large crowd | |
| 黒白 | くろしろ | black and white; right and wrong | |
| 黒船 | くろふね | black ships; Western ships that came to Japan between the 16th and 19th centuries, esp. those of the Perry Expedition in 1853; foreign disruptor (of the Japanese market); product, person, etc. arriving from the West and disturbing the Japanese market | |
| 黒衣 | こくい | black clothes | |
| 黒光り | くろびかり | black lustre; black luster | |
| 黒幕 | くろまく | black curtain; wirepuller; mastermind; backroom manipulator | |
| 黒地 | くろじ | black ground; black cloth | n1 |
| 黒土 | こくど | black terracotta; black soil | |
| 黒木 | くろき | unbarked lumber | |
| 黒檀 | こくたん | ebony | |
| 黒目 | くろめ | pupil and (dark) iris of the eye | |
| 黒ん坊 | くろんぼ | black person; darkie; golliwog; well-tanned person | |
| 黒点 | こくてん | black spot; dark spot; sunspot | |
| 黒み | くろみ | black tinge; black colour; black color; black part | |
| 大黒柱 | だいこくばしら | central pillar (of a building); mainstay (e.g. of an economy); backbone (e.g. of a family); provider | |
| 黒潮 | くろしお | Kuroshio Current; Japan Current | |
| 黒松 | くろまつ | black pine (Pinus thunbergii); Japanese black pine | |
| 黒血 | くろち | venous blood | |
| 黒豆 | くろまめ | black soybean | |
| 黒装束 | くろしょうぞく | black clothes | |
| 腹黒い | はらぐろい | mean; malicious; scheming; wicked | |
| 黒焦げ | くろこげ | charred; burnt black; scorched black | |
| 黒毛 | くろげ | black hair; black-haired horse | |
| 黒鯛 | くろだい | black porgy (Acanthopagrus schlegeli) | |
| 黒石 | くろいし | black stone; black (go pieces) | |
| 黒奴 | こくど | black slave; black person | |
| 黒焼 | くろやき | charring; something charred; traditional medicine made from charred ingredients | |
| 黒パン | くろパン | brown bread; rye bread | |
| 黒砂糖 | くろざとう | (unrefined) brown sugar; muscovado | |
| 黒星 | くろぼし | black spot; black dot; bull's-eye; mark indicating a defeat | |
| 黒曜石 | こくようせき | obsidian | |
| お歯黒 | おはぐろ | tooth blackening; tooth-blackening dye | |
| 黒褐色 | こっかっしょく | blackish brown | |
| 黒字 | くろじ | (being in) the black; surplus; black letter | n1 |
| 黒海 | こっかい | Black Sea | n2 |
| 大黒天 | だいこくてん | Mahakala (incarnation of Mahesvara); Daikokuten; god of wealth | |
| 黒枠 | くろわく | black borders; mourning borders (e.g. on an obituary) | |
| 黒ずみ | くろずみ | blackhead; dark discoloration; blackening; (black or dark) tarnish | |
| か黒い | かぐろい | deep black | |
| 黒める | くろめる | to blacken (something); to make something black; to talk wrong into right | |
| 中黒 | なかぐろ | middle dot; centred period; full-stop mark at mid-character height; interpoint | |
| 黒帯 | くろおび | black belt | |
| 真っ黒い | まっくろい | pitch black; deep black | |
| 黒こげ | くろこげ | charred; burnt black; scorched black | |
| 黒糖 | こくとう | (unrefined) brown sugar; muscovado | |
| 黒八丈 | くろはちじょう | thick black silk from Hachijo Island | |
| 黒死病 | こくしびょう | plague; Black Death | |
| 黒焼き | くろやき | charring; something charred; traditional medicine made from charred ingredients | |
| 黒金 | くろがね | iron | |
| 黒鳥 | こくちょう | black swan (Cygnus atratus) | |
| 黒文字 | くろもじ | Lindera umbellata (species of spicebush); toothpick; natural wooden chopsticks (tea ceremony); black characters | |
| 大黒頭巾 | だいこくずきん | bouffant cloth cap (traditionally worn by old people and monks) | |
| 黒貂 | くろてん | sable (Martes zibellina) | |
| 黒穂 | くろほ | smut | |
| 黒塗り | くろぬり | blackened; black-painted; black-lacquered; blacked out | |
| 黒百合 | くろゆり | black lily (Fritillaria camtschatcensis); Kamchatka lily; Kamchatka fritillary | |
| 黒竹 | くろちく | black bamboo | |
| 黒縁 | くろぶち | black rim; black edge | |
| 黒鼠 | くろねずみ | black mouse; rat with black fur; deceitful employee; unfaithful servant | |
| 黒丸 | くろまる | black spot; black dot; bull's-eye; middle dot | |
| 黒鴨 | クロガモ | common scoter (Melanitta nigra); black scoter (Melanitta americana) | |
| 黒目勝ち | くろめがち | large-pupilled; dark-eyed; having large irises | |
| 二黒 | じこく | second of nine traditional astrological signs (corresponding to Saturn and southwest) | n3 |
| 黒熊 | くろくま | black bear | |
| 黒茶 | くろちゃ | deep brown; dark tea (e.g. Chinese pu'er tea); fermented tea | |
| 黒んぼう | くろんぼ | black person; darkie; golliwog; well-tanned person | |
| 黒ビール | くろビール | stout; dark beer; porter's ale | |
| 黒字化 | くろじか | moving into the black; becoming profitable | |
| 黒胡椒 | くろこしょう | black pepper (Piper nigrum) | |
| 黒鉛 | こくえん | graphite | n2 |
| 黒猫 | くろねこ | black cat; Yamato Transport (door-to-door delivery service company) | |
| 黒内障 | こくないしょう | black cataract; amaurosis | |
| 黒玉 | くろだま | black ball; black, round sigil; pupil; black candy | |
| 黒酒 | くろき | black sake (presented as an offering to the gods) | |
| 黒作り | くろづくり | squid chopped, salted and mixed in its own ink | |
| 黒ダイヤ | くろダイヤ | black diamond | |
| 黒米 | くろごめ | unpolished rice; unmilled rice; brown rice; black rice | |