This is the 17448th most frequent Polish word.
zastrzelił
"Zastrzelił" means "shot (someone/something) dead."
Here, 'zastrzelił' refers to the act of shooting and killing an animal for sport.
Myśliwy zastrzelił jelenia na polowaniu.
The hunter shot the deer during the hunt.
In this usage, 'zastrzelił' depicts the act of shooting and neutralizing a threat in law enforcement.
Policjant zastrzelił groźnego przestępcę podczas pościgu.
The policeman shot the dangerous criminal during the chase.
Here, 'zastrzelił' describes a context of violence, where the subject is a perpetrator committing a crime.