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Synonyms

agent

American  
[ey-juhnt] / ˈeɪ dʒənt /

noun

  1. 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
  2. a person or thing that acts or has the power to act.

  3. a natural force or object producing or used for obtaining specific results.

    Many insects are agents of fertilization.

    Synonyms:
    means
  4. an active cause; an efficient cause.

  5. a person who works for or manages an agency.

  6. 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.

  7. a person responsible for a particular action.

    Who was the agent of this deed?

  8. 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.

  9. Indian agent.

  10. a representative of a business firm, especially a traveling salesperson; canvasser; solicitor.

  11. Chemistry. a substance that causes a reaction.

  12. Pharmacology. a drug or chemical capable of eliciting a biological response.

  13. Pathology. any microorganism capable of causing disease.

  14. British. a campaign manager; an election agent.


adjective

  1. acting; exerting power (patient ).

verb (used with object)

  1. to represent (a person or thing) as an agent; act as an agent for: Who agented that deal?

    to agent a manuscript;

    Who agented that deal?

agent British  
/ ˈeɪdʒənt, eɪˈdʒɛnʃəl /

noun

  1. a person who acts on behalf of another person, group, business, government, etc; representative

  2. a person or thing that acts or has the power to act

  3. a phenomenon, substance, or organism that exerts some force or effect

    a chemical agent

  4. the means by which something occurs or is achieved; instrument

    wind is an agent of plant pollination

  5. a person representing a business concern, esp a travelling salesman

  6. short for estate agent

  7. short for secret agent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

agent Scientific  
/ ājənt /
  1. A substance that can bring about a chemical reaction or a biological effect.

  2. Compare reagent


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

The bald agent is speaking, and he doesn’t look sorry at all.

From Literature

Last year’s emails from her agent about upcoming auditions for commercials or money she was owed.

From Literature

The thirty-five-year-old New Yorker was a librarian by day—and a longtime secret agent for the Soviet Union.

From Literature

The interview continues back and forth with the reporter getting increasingly frustrated and the FBI agent refusing to say anything interesting.

From Literature