This is the 15435th most frequent Polish word.
spokojne
Calm; peaceful.
Here, 'spokojne' describes the noun 'wakacje,' indicating the quality of calmness.
Mieliśmy spokojne wakacje nad jeziorem.
We had a calm vacation by the lake.
In this context, 'spokojnej' is the genitive case form of 'spokojne,' applied to the feminine noun 'kawiarni.'
Szukam spokojnej kawiarni na popołudniową przerwę.
I’m looking for a calm café for an afternoon break.
The word 'spokojny' in its masculine singular nominative form modifies 'temperament,' showing a calm nature.