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
• dusk
• darksome
• gloomy
• dimmed
• obscured
• stygian
• somber
• obscure
• tenebrous
• darkish
• rayless
• pitchy
• caliginous
• twilit
• starless
• moonless
• crepuscular
• gray
• tenebrific
• shadowy
• misty
• shady
• lackluster
• dulled
• pale
• cloudy
• sunless
• clouded
• foggy
• dull
• leaden
• smoggy
• fuliginous
• shadowlike
• soupy
• befogged
• beclouded

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of lightless

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. — Sidney Stevens, Treehugger, 14 Mar. 2025

Fall asleep and dream about being slowly forced, as if by some mechanized peristalsis, through the digestive tract of a huge synthetic worm that then deposits me into a lightless industrial kitchen. — Jay Katsir, The New Yorker, 9 Jan. 2025

The boy grows up in the lightless void before managing to escape. — Noah Berlatsky, Los Angeles Times, 9 Dec. 2022

At night, lightless streets turn into treacherous obstacle courses, especially after snow and rain. — Michael Birnbaum, Washington Post, 23 Nov. 2022