Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| adumbral | shadowy. |
| becloud | to cause obscurity or dimness to; to cloud. |
| bedarken | to make dark. |
| bedim | to make dim. |
| begloom | to make gloomy. |
| beshadow | (Arch.) to cast a shadow over. |
| caliginosity | darkness, sootiness. |
| caliginous | (Arch.) dark, shadowy. |
| cimmerian | very dark or gloomy. |
| dark | not light in colour (noun) a state of darkness; (verb) to darken |
| darken | to make dark. |
| darkener | someone or something that darkens. |
| darkish | somewhat dark. |
| darkle | to grow dark; to show indistinctly. |
| darkling | in the dark, taking place in the dark. |
| darklings | in the dark, taking place in the dark. |
| darkly | in a dark manner. |
| darkness | the state of being dark. |
| darksome | dark, somber. |
| dim | not bright (verb) to make dim |
| dimly | (Adv.) DIM, not bright. |
| dimmish | somewhat dim. |
| dimness | the state of being dim. |
| dinge | dinginess. |
| dirke | (Spenser) dark; (verb) to darken. |
| disilluminate | to destroy the light of, to darken. |
| drumly | (Scots) turbid, muddy, gloomy. |
| dusk | dark, twilit (noun) the time preceding nightfall (verb) to become dusk |
| dusken | to make dusk or obscure. |
| duskily | (Adv.) DUSKY, shady. |
| duskiness | the state of being dusky. |
| duskish | somewhat dusky. |
| duskishly | (Adv.) DUSKISH, somewhat dusky. |
| duskishness | the state of being duskish. |
| duskly | (Adv.) DUSK, twilit. |
| duskness | duskiness. |
| dusky | shady. |
| engloom | to make gloomy. |
| fuliginosity | the state of being fuliginous. |
| fuliginous | sooty; having a dark or dusky color. |
| fuliginously | (Adv.) FULIGINOUS, sooty. |
| fuliginousness | the state of being fuliginous, sooty. |
| gloomful | full of gloom. |
| gloomfully | (Adv.) GLOOMFUL, full of gloom. |
| gloomily | (Adv.) GLOOMY, dismally dark. |
| gloominess | the state of being gloomy. |
| gloomy | dismally dark. |
| inumbrate | to cast a shadow upon. |
| loury | gloomy, louring. |
| lowery | cloudy, gloomy, lowering. |
| melanise | to make dark. |
| melanize | to make dark. |
| mirk | dark, gloomy (noun) darkness, gloom |
| mirkily | (Adv.) MIRKY, murky. |
| mirkiness | the state of being mirky, dark, gloomy. |
| mirky | dark, gloomy; obscured by fog, dense vapour, etc. |
| murk | dark, gloomy, obscure (noun) darkness, gloom, MURKY; (verb) to murder, defeat convincingly |
| murkily | (Adv.) MURKY, dark, gloomy. |
| murkiness | the state of being murky. |
| murkish | somewhat murky. |
| murkly | (Adv.) MURK, dark, gloomy. |
| murksome | murky. |
| murky | dark, gloomy, obscured by fog, dense vapour, etc. |
| nightside | the dark, mysterious or gloomy side of anything. |
| obfuscate | to darken, make obscure, confuse. |
| obfuscation | the act of obfuscating. |
| obfuscatory | serving to obfuscate. |
| obnubilate | (Obs.) to darken, cloud over. |
| obnubilation | beclouding or obscuring. |
| obscuration | the act of obscuring. |
| obscure | dark, unclear (verb) to make dark |
| obscurely | (Adv.) OBSCURE, dark, unclear. |
| obscurement | the act of obscuring. |
| obscureness | the state of being obscure. |
| obscurer | one who obscures. |
| obscurity | the state of being obscure. |
| obumbrate | to overshadow. |
| obumbration | the act of obumbrating. |
| oorie | (Scots) dingy, shabby. |
| ourie | (Scots) dingy, shabby. |
| overgloom | to cover with gloom. |
| overkest | (Spenser) overcast. |
| owrie | (Scots) dingy, shabby. |
| penumbra | (Lat.) partial shade. |
| penumbral | relating to the penumbra. |
| penumbrous | relating to penumbra, partial shade. |
| pitchiness | blackness, as of pitch. |
| semidarkness | a state between dark and light. |
| shade | partial or relative darkness (verb) to screen from light or heat |
| shader | one who, or that which, shades. |
| shadiness | the state of being shady. |
| shadow | darkness (verb) to make dark or gloomy |
| shadower | one who shadows. |
| shadowily | (Adv.) SHADOWY, full of shadows. |
| shadowiness | the state of being shadowy. |
| shadowlike | like a shadow. |
| shadowy | full of shadows. |
| somber | (US) sombre (verb) to make sombre |
| somberly | (Adv.) SOMBER, sombre. |
| somberness | the state of being somber. |
| sombre | gloomy, dark (verb) to make sombre |
| sombrely | (Adv.) SOMBRE, gloomy, dark. |
| sombreness | the state of being sombre. |
| sombrous | gloomy; somber. |
| stygian | (Greek) of or relating to the river Styx; extremely dark. |
| tenebrific | producing darkness; obscuring. |
| tenebrious | gloomy, obscure. |
| tenebriousness | the state of being tenebrious. |
| tenebrity | gloom, darkness. |
| tenebrose | gloomy, obscure. |
| tenebrosity | darkness. |
| tenebrous | gloomy, obscure. |
| tenebrousness | the state of being tenebrous. |
| twilit | lit by twilight. |
| umbra | (Lat.) a shadow. |
| umbrageous | shady. |
| umbrageously | (Adv.) UMBRAGEOUS, shady. |
| umbrageousness | the state of being umbrageous. |
| umbral | of or like an umbra, a shadow. |
| umbratic | of or pertaining to the shade or darkness. |
| umbratical | of or pertaining to the shade or darkness. |
| umbratile | shadowy, giving shade; (noun) a person who spends his or her time in the shade or shadows. |
| umbratilous | shadowy, giving shade. |
| umbriferous | giving or bearing shade. |
| umbrose | shade-giving; dusky. |
| umbrous | shade-giving; dusky. |
| uncloud | to free from clouds. |
| uncloudedly | (Adv.) UNCLOUDED. |
| unlightsome | (Milton) without light. |