This is the 7380th most frequent Polish word.
killing
The Polish word "killing" refers to a "gruesome murder" or "execution-style killing" (borrowed from English, often used in crime contexts).
In this sentence, "killing" is used as a noun representing the act of murder or homicide.
Zabójstwo właściciela sklepu wstrząsnęło całą społecznością.
The killing of the shop owner shocked the entire community.
Here, "killing" is a verb in its gerundive form, describing someone committing the act of taking a life.
On jest oskarżony o zabicie zwierzęcia w centrum miasta.
He is accused of killing an animal in the city center.
In this example, "killing" is used as an adjective metaphorically, indicating something extremely challenging or exhausting.