Nocturnal

/nɒkˈtɜːrnəl/

Meaning & Definition

adjective
active during the night; happening or being active at night.
Owls are known for their nocturnal habits, hunting primarily in the dark.
pertaining to or occurring in the night.
The nocturnal landscape is filled with sounds and activities that are absent during the day.
of, relating to, or occurring in the night.
Some species of flowers are nocturnal, blooming only at night to attract night-flying pollinators.

Etymology

From Latin 'nocturnalis,' from 'nox' (night)

Common Phrases and Expressions

nocturnal animals
Animals that are active during the night.
nocturnal lifestyle
A lifestyle that involves staying awake during the night.
nocturnal emissions
Involuntary ejaculation during sleep, often referred to as a wet dream.

Related Words

crepuscular
Active during twilight, especially at dawn and dusk.
diurnal
Active during the day.

Slang Meanings

Night owl
I'm such a night owl; I prefer to work on my projects late at night.
Moonchild
She always feels more alive at night; she's a true moonchild.