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diurnal

adjective

/daɪˈɜːrnəl/

Meaning

active during the day; occurring daily

Most birds are diurnal creatures, active in daylight hours.

daily, daytime, regular, recurring

nocturnal, nightly

diurnal activity, diurnal rhythm, diurnal animals, diurnal cycle

Standing or pointing straight up; perpendicular to the ground.

sharp or severe in manner or style; also describes a substance that contracts skin or body tissues

using pompous or inflated language with little meaning

unusually good; outstanding; remarkable; special

unfashionable, dull, or shabby in appearance

not difficult; requiring little effort