Definition of Diurnal

energetic during the daylight hours

Examples of Diurnal in a sentence

Because bats are not active during the day, they are not diurnal creatures.  🔊

John found it hard to work a diurnal job after being on the night shift for fifteen years.  🔊

In the desert, there are few diurnal animals because of the high daytime temperatures.  🔊

The diurnal animal wears itself out during the day and sleeps all night.  🔊

Unfortunately my son suffers from a diurnal urinary issue which causes him to urinate on himself throughout the day.  🔊

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