Dictionary > English Dictionary > Definition, synonym and antonym of agent
Meaning of agent by Wiktionary Dictionary

agent


    Etymology

    From Latin agens, present participle of agere ( “to drive", lead, conduct, manage, perform, do” )

    Pronunciation

    • IPA: /ˈeɪ.dʒɛnt/

    Noun

    agent ( plural: agents )

    1. One who exerts power, or has the power to act; an actor.
    2. One who acts for, or in the place of, another ( the principal ), by authority from him; one intrusted with the business of another; a substitute; a deputy; a factor.
    3. An active power or cause; that which has the power to produce an effect; as, a physical, chemical, or medicinal agent; as, heat is a powerful agent .
    4. ( computing ) In the client-server model, the part of the system that performs information preparation and exchange on behalf of a client or server. Especially in the phrase “intelligent agent” it implies some kind of autonomous process which can communicate with other agents to perform some collective task on behalf of one or more humans .
    5. ( grammar ) The participant of a situation that carries out the action in this situation, e.g. "the boy" in the sentences "The boy kicked the ball" and "The ball was kicked by the boy" .

    Synonyms

    • See also Wikisaurus:deputy

    Antonyms

    Derived terms

    Related terms

    • act
    • action
    • agency

    See also

    External links

    • agent in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
    • agent in The Century Dictionary, The Century Co., New York, 1911

    Anagrams

    • Tegan


Explanation of agent by Wordnet Dictionary

agent


    Noun
    1. the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause

    2. an active and efficient cause

    3. their research uncovered new disease agents
    4. a businessman who buys or sells for another in exchange for a commission

    5. a representative who acts on behalf of other persons or organizations

    6. any agent or representative of a federal agency or bureau

    7. a substance that exerts some force or effect



    Definition of agent by GCIDE Dictionary

    agent


    1. Agent a. [L. agens, agentis, p. pr. of agere to act; akin to Gr. to lead, Icel. aka to drive, Skr. aj. √2.] Acting; -- opposed to patient, or sustaining, action. [Archaic] “The body agent.” Bacon.

    2. Agent, n.
      1. One who exerts power, or has the power to act; an actor.

      Heaven made us agents, free to good or ill. Dryden.

      2. One who acts for, or in the place of, another, by authority from him; one intrusted with the business of another; a substitute; a deputy; a factor.

      3. An active power or cause; that which has the power to produce an effect, such as a physical, chemical, or medicinal agent; as, “heat is a powerful agent”.

      4. ( Biochem., Med. ) a chemical substance having biological effects; a drug.