To completely remove or get rid of something. The company plans to eliminate all unnecessary expenses to increase profits.
To defeat and remove a competitor from a competition. The team was eliminated from the tournament after losing the quarter-final match.
To kill or destroy someone or something. The spy was sent to eliminate the target without leaving any trace.
To exclude or leave out from consideration or further discussion. After reviewing the evidence, the police eliminated the neighbor from their list of suspects.
Physiology: to expel or pass waste or harmful substances from the body. Healthy kidneys eliminate excess fluids and toxins.
Mathematics: to remove an unknown quantity from two or more equations. By subtracting the second equation from the first, we can eliminate y and solve for x.