This is the 4129th most frequent Polish word.
bliskie
"Bliskie" means "close" or "near" in English.
Here, 'bliskie' describes the 'relacje', referring to emotionally close relationships.
Mam bliskie relacje z moją siostrą.
I have close relationships with my sister.
Here, 'bliskie' describes the proximity of the 'niebo', indicating something spatially near.
Odczuwałem bliskie niebo nad nami podczas wędrówki w górach.
I felt the sky close above us during the mountain hike.
Here, 'bliskie' characterizes the 'terminy', referring to temporal closeness.