This is the 205th most frequent Lithuanian word.
naują
The Lithuanian word "naują" means "new" (accusative singular form).
In this sentence, 'naują' is an adjective in the accusative singular form, modifying ‘telefoną’ to indicate its state as new.
Aš nusipirkau naują telefoną.
I bought a new phone.
Here, 'naują' is again an adjective in the accusative singular form, describing ‘dieną’ to denote the concept of a fresh or following day.
Kiekvieną naują dieną prasideda nauji iššūkiai.
Every new day begins with new challenges.
The word 'naują' is in the accusative singular form and functions as an attributive adjective to ‘darbą,’ emphasizing its contemporary or earlier absent status.