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Added 9 October 2026

diurnal

/daɪˈɜːnəl/ adjective

In Latin: diurnus Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about diurnal at Wordnik → Where our words come from →

Of or belonging to or active during the day.
diurnal animals are active during the day
Having a daily cycle or occurring every day.
diurnal rotation of the heavens

Origin

From Latin diurnālis, from diēs (“day”). Doublet of journal.

From Wiktionary, via Kaikki.org (CC BY-SA)

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