To cause the death of a living organism. The hunter aimed carefully to kill the deer.
To put an end to or stop something. The committee decided to kill the project due to budget constraints.
To spoil or ruin something. The rain killed our plans for a picnic.
To pass time in a non-productive way. We had an hour to kill before the movie started.
To overwhelm or impress someone greatly. Her performance in the play really killed the audience.
To cause intense pain or discomfort to (a part of the body or a person). My knees are killing me after the marathon.