This is the 13525th most frequent Polish word.
piaszczyste
Sandy.
Adjective describing the beaches as sandy.
Plaże nad Bałtykiem są często piaszczyste.
The beaches along the Baltic Sea are often sandy.
Adjective describing the dunes as sandy, agreeing with the plural noun.
Masz ochotę na spacer po tych piaszczystych wydmach?
Would you like to take a walk on these sandy dunes?
Adjective describing the ground as sandy, explaining the condition of the terrain.