Diurnal

/daɪˈɜrnəl/

Meaning & Definition

noun

A diurnal animal; a creature that is active during the day.

As a diurnal, the squirrel scurries about throughout the daytime, foraging for nuts.

An event or occurrence that happens daily.

The diurnals of the weather change can be quite predictable in this region.

adjective

Of or during the day; active during the daytime.

Many birds are diurnal, taking advantage of the daylight to forage for food.

Having a daily cycle, occurring or appearing every day.

The diurnal patterns of temperatures in the desert can be extreme, with hot days and cool nights.

Botanically, flowering or functioning during the day.

The diurnal flowers bloom in the morning and close by evening.

From Latin diurnalis, from diurnus ‘of a day’.

diurnal rhythm

A natural cycle of activity occurring over a 24-hour day.

diurnal variation

The fluctuation of a variable over the course of a day.

diurnal animal

An animal that is active during the day.

nocturnal

Active at night.

circadian

Relating to the natural cycle of light and dark.

perennial

Lasting or existing for a long or apparently infinite time.

Living for the day.

He's so diurnal, always looking for the next adventure.