This is the 2951st most frequent Polish word.
niewielką
"Small" or "slight."
In this case, "niewielką" refers to the restaurant, suggesting it has limited space or a cozy atmosphere.
Wybraliśmy niewielką restaurację na kolację.
We chose a small restaurant for dinner.
Here, "niewielką" is applied to the break, indicating its short duration.
Mam zamiar zrobić niewielką przerwę w pracy.
I intend to take a short break from work.
The word "niewielką" here describes the size of the book, emphasizing its relatively small dimensions.