This is the 15348th most frequent Polish word.
smaczna
Tasty
Here, 'smaczna' is used as an adjective describing the feminine noun 'zupa' (soup), showcasing its agreeing form in the feminine singular nominative.
Ta zupa jest bardzo smaczna.
This soup is very tasty.
In this case, 'smaczna' is employed to qualify a specific feminine noun 'pizza', demonstrating agreement in case (feminine singular nominative) and time (past tense).
Pizza, którą jadłem wczoraj, była naprawdę smaczna.
The pizza I ate yesterday was really tasty.
Here, 'smaczną' is used as an adjective agreeing with the feminine noun 'przekąskę' in the accusative case.