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/daɪˈɜːnəl/ · adjective
Happening or occurring during daylight, or primarily active during that time..
Most birds are diurnal.
However, in general, lizards are more diurnal than rattlers, which may be one of the reasons why young rattlers are more diurnal than adults.
Ere twice the horses of the sun shall bring / Their fiery torcher his diurnal ring.
He was by birth, some authors write, / A Russian, some a Muscovite, / And 'mong the Cossacks had been bred, / Of whom we in diurnals read.
Use diurnal when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Diurnal means Happening or occurring during daylight, or primarily active during that time..
Common synonyms include circadian, daily, daytime, diurnal.
Possible antonyms include nocturnal, nightly, nondiurnal.
Most birds are diurnal.
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