This is the 605th most frequent Italian word.
quotidiano
"Quotidiano" means "daily" or "everyday" in English.
Here, 'quotidiano' is used as a noun meaning 'daily newspaper', referring to a regular publication.
Leggo il quotidiano ogni mattina mentre bevo il caffè.
I read the daily newspaper every morning while I drink coffee.
In this sentence, 'quotidiana' is an adjective modifying the noun 'sfida', indicating the frequency or regularity of the challenge.
Affrontare lo stress è una sfida quotidiana per molte persone.
Dealing with stress is a daily challenge for many people.
Here, 'quotidiana' describes the noun 'routine', emphasizing its recurrence every day.