1. To put an end to something, usually something undesirable: "These people are pledged to eliminate HIV as soon as possible."
2. To decide to exclude someone or something from further consideration: "The company eliminated him from further consideration as a supervisor."
3. To defeat a player or sports team and put them out of a competition: "The college team was eliminated in the first round."
4. To murder someone who is considered to be a problem or to kill in large numbers.