English noun: agent |
1. | agent (object) an active and efficient cause; capable of producing a certain effect |
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| Samples | Their research uncovered new disease agents.
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| Broader (hypernym) | causal agency, causal agent, cause |
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| Narrower (hyponym) | biohazard, biological agent, eliminator, enlivener, impairer, infectious agent, infective agent, invigorator, lethal agent, motor, mutagen, pressor, quickener, relaxer, represser, repressor, retardant, retardation, retardent, satisfier, shortener, stressor, teratogen, transmitter, vasoconstrictive, vasoconstrictor, vector, weakener |
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2. | agent (person) a representative who acts on behalf of other persons or organizations |
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| Broader (hypernym) | representative |
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| Narrower (hyponym) | bailee, booker, booking agent, business agent, deputy, employment agent, freight agent, general agent, government agent, handler, intelligence agent, intelligence officer, literary agent, mill agent, next friend, operative, parliamentary agent, placeholder, procurator, proxy, purchasing agent, secret agent, shipping agent, shopper, special agent, surrogate, talent agent, universal agent |
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3. | agent (substance) a substance that exerts some force or effect |
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| Broader (hypernym) | causal agency, causal agent, cause, substance |
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| Narrower (hyponym) | alkaliser, alkalizer, antacid, antiacid, antiflatulent, antifungal, antifungal agent, antimicrobial, antimicrobic, antimycotic, antimycotic agent, bacteriostat, blanching agent, bleach, bleaching agent, chemical agent, coagulant, coagulator, coolant, diluent, dilutant, disinfectant, drug, emmenagogue, fungicide, galactagogue, gastric antacid, germicide, hypnagogue, hypoglycaemic agent, hypoglycemic agent, inducer, lactifuge, lactogen, mitogen, nerve agent, nerve gas, precipitant, solvating agent, thinner, vermicide, viricide, virucide, whitener |
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4. | agent (person) a businessman who buys or sells for another in exchange for a commission |
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| Synonyms | broker, factor |
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| Broader (hypernym) | bourgeois, businessperson |
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| Narrower (hyponym) | auctioneer, estate agent, general agent, house agent, insurance agent, insurance broker, investment banker, land agent, real estate agent, real estate broker, ship broker, stockbroker, syndic, travel agent, underwriter, underwriter |
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| Member meronym | brokerage, brokerage firm, securities firm |
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5. | agent (person) any agent or representative of a federal agency or bureau |
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| Synonyms | federal agent |
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| Broader (hypernym) | functionary, official |
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| Narrower (hyponym) | Fed, Federal, federal official, Indian agent, trustbuster |
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6. | agent (communication) the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause |
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| Synonyms | agentive role |
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| Broader (hypernym) | participant role, semantic role |
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