Synonyms of lightless

lightless

adjective

ˈlīt-ləs 

as in darkened

being without light or without much light

wondered what might be lurking in the lightless corners of the basement

Synonyms & Similar Words

• darkened
• dark
• murky
• black
• dim
• unlit
• dusky
• pitch-black
• darkling
• pitch-dark
• sombre
• dusk
• darksome
• gloomy
• dimmed
• obscured
• stygian
• somber
• obscure
• tenebrous
• darkish
• rayless
• pitchy
• caliginous
• twilit
• starless
• moonless
• crepuscular
• grey
• gray
• tenebrific
• misty
• shadowy
• shady
• lackluster
• dulled
• pale
• cloudy
• clouded
• sunless
• foggy
• dull
• leaden
• smoggy
• fuliginous
• shadowlike
• soupy
• beclouded
• befogged

Antonyms & Near Antonyms

• light
• luminous
• lighted
• illuminated
• bright
• brilliant
• lit
• lucent
• shining
• illumined
• incandescent
• lucid
• radiant
• sparkling
• lightsome
• lambent
• effulgent
• brightened
• resplendent
• glaring
• glowing
• alight
• beamy
• shiny
• beaming
• lustrous
• glossy
• aglitter
• moonlit
• sunlit
• agleam
• spotlit
• ultrabright
• relucent
• starlit
• moony
• ablaze
• highlighted
• spotlighted
• floodlit
• floodlighted

Examples of lightless in a Sentence

Recent Examples on the Web

Tracking swarms of flea-size organisms through the lightless depths is trickier than following migrating whales across hemispheres. —Katherine Harmon Courage, Scientific American, 1 Aug. 2022

After the humans arrived, Fred stayed in his lightless bog for millennia as the land was worked above, the forests shaped by fire and the fields sowed with corn, beans, and squash. —Peter Brannen, The Atlantic, 22 June 2022

Who knew that wriggling through underwater crevices could be pleasurable, that floating in lightless pockets of rock could be Zen? —Joe Morgenstern, WSJ, 7 Oct. 2021

Toward the end of those years, the Viking and his closest lieutenants were cast into a lightless dungeon, yet nonetheless managed to break out, kidnap the emperor’s mistress and commandeer two galleys. —Washington Post, 22 Sep. 2021