nightless

Without any darkness

Nightless describes a place or time without darkness—where the sun doesn't set.

The word appears most often in descriptions of polar summers, when regions inside the Arctic or Antarctic circles experience continuous daylight: the nightless days of midsummer in Finland.

It can also describe perpetually lit urban environments or metaphorically suggest relentless activity without rest.

arctic

circumpolar

Around the pole

Svalbard · Greenland · Nordic · Inuit · reindeer · walrus · iceberg · glacier · subzero · frostbite

summer

solstice

Day of maximum tilt

sunlit · luminous · radiant · bright · warmth · midsummer · gloaming · Scandinavia · Finland · Iceland

insomnia

sleeplessness

Inability to rest

exhaustion · fatigue · tiredness · melatonin · pills · anxiety · overthinking · bedtime · bedroom · caffeine

disorientation

timelessness

Freedom from temporal decay

surreal · dreamlike · unmoored · adrift · disjointed · haze · blur · strange · unsettled

Opposites
presence of darkness/night

nightlessdayless

Without periods of light

polar night · sunless · lightless · dark · benighted

Family

night, less, midnight, nightfall, nighttime, tonight, overnight, nightly, nights

Familiarity
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Used worldwide · Timeless · Everyday, not technical · Rated G