Use Agent in a sentence
1. [noun] a representative who acts on behalf of other persons or organizations;
He bargained with the house agent for a lower price.
She claimed she had whiplash after getting in a minor car accident, but insurance agents think she was only faking the injury.
2. [noun] an active and efficient cause; capable of producing a certain effect;
The most important agent of erosion on our planet is running water.
Wave action is the major agent of erosion along coastal areas.
Sunlight and water are agents that make plants grow.