This is the 2621st most frequent Russian word.
убивать
"To kill."
In this usage, 'убивать' is used colloquially in the sense of killing or wasting time.
Он не хотел убивать времени зря.
He did not want to waste time.
Here, 'убивать' is used in a literal sense, meaning to physically kill an animal.
Охотник пошёл в лес, чтобы убивать дичь.
The hunter went into the forest to kill game.
In this sentence, 'убивать' is used figuratively to express something overwhelming or stunning in quality.