1. a person who acts on behalf of another person or organization
2. a person whose job is to help actors, writers, or athletes find work
3. a spy working for a government or organization

Examples

• The real estate agent showed us three houses yesterday.
• Her literary agent negotiated a better contract with the publisher.
• The secret agent infiltrated the enemy organization.
• Soap is a cleaning agent that removes dirt and grease.
• Education is often seen as an agent of social change.
• The insurance agent explained the different policy options.
• The FBI agent questioned the suspect for hours.
• Bleach is a powerful whitening agent for laundry.