This is the 12770th most frequent Polish word.
niewielkiej
"Small" or "minor."
The word "niewielkiej" describes the size of the plot, indicating that it is small.
Zbudowano szkołę na niewielkiej działce.
A school was built on a small plot.
Here, "niewielkiej" refers to the small size of the town.
W niewielkiej miejscowości wszyscy się znają.
In a small town, everyone knows each other.
In this sentence, "niewielkiej" describes the size of the group, emphasizing its compactness.