agent
Americannoun
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a person or business authorized to act on another's behalf.
Our agent in Hong Kong will ship the merchandise.
A best-selling author needs a good agent.
- Synonyms:
- deputy, representative
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a person or thing that acts or has the power to act.
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a natural force or object producing or used for obtaining specific results.
Many insects are agents of fertilization.
- Synonyms:
- means
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an active cause; an efficient cause.
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a person who works for or manages an agency.
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a person who acts in an official capacity for a government or private agency as a guard, detective, or spy.
an FBI agent;
the secret agents of a foreign power.
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a person responsible for a particular action.
Who was the agent of this deed?
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Grammar. a form or construction, usually a noun or noun phrase, denoting an animate being that performs or causes the action expressed by the verb, as the police in The car was found by the police.
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a representative of a business firm, especially a traveling salesperson; canvasser; solicitor.
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Chemistry. a substance that causes a reaction.
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Pharmacology. a drug or chemical capable of eliciting a biological response.
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Pathology. any microorganism capable of causing disease.
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British. a campaign manager; an election agent.
adjective
verb (used with object)
noun
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a person who acts on behalf of another person, group, business, government, etc; representative
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a person or thing that acts or has the power to act
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a phenomenon, substance, or organism that exerts some force or effect
a chemical agent
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the means by which something occurs or is achieved; instrument
wind is an agent of plant pollination
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a person representing a business concern, esp a travelling salesman
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short for estate agent
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short for secret agent
Other Word Forms
- agential adjective
- counteragent noun
- interagent noun
- superagent noun
- underagent noun
Etymology
Origin of agent
First recorded in 1570–80; from Latin agent-, stem of agēns “doing,” present participle of agere “to do, drive”
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
At the same time, a CIA agent named Joe Murphy walked over the line to confirm the American’s identity.
From Literature
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The bald agent is speaking, and he doesn’t look sorry at all.
From Literature
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Last year’s emails from her agent about upcoming auditions for commercials or money she was owed.
From Literature
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The thirty-five-year-old New Yorker was a librarian by day—and a longtime secret agent for the Soviet Union.
From Literature
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The interview continues back and forth with the reporter getting increasingly frustrated and the FBI agent refusing to say anything interesting.
From Literature
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.