ELIMINATE

Terminate, end, or take out

Example: "Let's eliminate the course on akkadian hieroglyphics"

Get rid of something

Kill in large numbers

Example: "The plague wiped out an entire population"

Dismiss from consideration or a contest

Example: "John was ruled out as a possible suspect because he had a strong alibi"

Eliminate from the body

Example: "Pass a kidney stone"

Remove from a contest or race

Example: "The cyclist has eliminated all the competitors in the race"

Remove (an unknown variable) from two or more equations