This is the 18010th most frequent Polish word.
świątecznej
"Świątecznej" means "festive" or "holiday-related" in English.
The word "świąteczna" is used as a feminine adjective describing "atmosfera" (atmosphere), showcasing the inherent festive and celebratory quality of the subject.
Świąteczna atmosfera jest zawsze pełna radości.
The holiday atmosphere is always full of joy.
Here, "świątecznej" modifies "choince" (tree, in dative case), emphasizing its association with festivities like Christmas.
Na świątecznej choince zawieszono wiele ozdób.
Many decorations were hung on the holiday tree.
In this example, "świątecznej" accompanies "kolacji" (dinner, in genitive case) to specify the special occasion during which the dinner takes place.