RhymeZone: agents definitions

Definitions of agent:

noun: an active and efficient cause; capable of producing a certain effect
Example: "Their research uncovered new disease agents"
noun: a businessman who buys or sells for another in exchange for a commission
noun: a representative who acts on behalf of other persons or organizations
noun: any agent or representative of a federal agency or bureau
noun: a substance that exerts some force or effect
noun: the semantic role of the animate entity that instigates or causes the hapening denoted by the verb in the clause
name: A surname (very rare: popularity rank in the U.S.: #32500)