| 释义 |
antagonist
antagonista person who opposes another, often in a hostile manner: The man was his antagonist in a duel.; an enemy, foe; the adversary of the hero or protagonist in a literary work
Not to be confused with:adversary – a person, group, or force that opposes or attacks; opponent; enemy; foe; one who is an opponent in a contest; a contestant; one who fights determinedly and relentlessly: He was a worthy adversary.adversity – catastrophe, disaster; trouble, misery; adverse fortune or fate; a condition marked by misfortune: In times of adversity, she crumbles.an·tag·o·nist A0325400 (ăn-tăg′ə-nĭst)n.1. One who opposes and contends against another; an adversary.2. The principal character in opposition to the protagonist or hero of a narrative or drama.3. Physiology A muscle that counteracts the action of another muscle, the agonist.4. A drug or chemical substance that interferes with the physiological action of another, especially by combining with and blocking its receptor.
an·tag′o·nis′tic adj.an·tag′o·nis′ti·cal·ly adv.antagonist (ænˈtæɡənɪst) n1. an opponent or adversary, as in a contest, drama, sporting event, etc2. (Physiology) any muscle that opposes the action of another. Compare agonist13. (Pharmacology) a drug that counteracts the effects of another drug. Compare synergist1an•tag•o•nist (ænˈtæg ə nɪst)
n. 1. a person who is opposed to or competes with another; opponent; adversary. 2. (in drama or literature) the opponent of the hero or protagonist. 3. a muscle that acts in opposition to another. Compare agonist (def. 3). 4. a tooth in one jaw that articulates with a tooth in the other jaw. 5. a drug that counteracts the effects of another drug. [1590–1600; < Late Latin < Greek] an·tag·o·nist (ăn-tăg′ə-nĭst) A muscle that resists or counteracts another muscle, as by relaxing while the opposite one contracts. Compare agonist.antagonistan opponent in any kind of contest or conflict. Also called antipathist.See also: ConflictThesaurus| Noun | 1. |  antagonist - someone who offers opposition adversary, opposer, resister, opponentindividual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"dueler, duelist, dueller, duellist - a person who fights duelsfoe, foeman, enemy, opposition - an armed adversary (especially a member of an opposing military force); "a soldier must be prepared to kill his enemies"Luddite - any opponent of technological progresswithstander - an opponent who resists with force or resolution; "obstinate withstanders of innovation"agonist - someone involved in a contest or battle (as in an agon) | | 2. |  antagonist - a muscle that relaxes while another contracts; "when bending the elbow the triceps are the antagonist"antagonistic muscle - (physiology) a muscle that opposes the action of another; "the biceps and triceps are antagonistic muscles" | | 3. | antagonist - a drug that neutralizes or counteracts the effects of another drugdrug - a substance that is used as a medicine or narcoticestrogen antagonist, tamoxifen - an antagonist for estrogen that is used in the treatment of breast cancernarcotic antagonist - an antagonist used to counteract the effects of narcotics (especially to counteract the depression of respiration)synergist - a drug that augments the activity of another drug |
antagonistnoun opponent, rival, opposer, enemy, competitor, contender, foe, adversary He had never previously lost to his antagonist.antagonistnounOne that opposes another in a battle, contest, controversy, or debate:adversary, opponent, opposer, opposition, oppositionist, resister.Translationsantagonist (ӕnˈtӕgənist) noun an opponent or enemy. 對抗者或敵手 对抗者anˈtagonism noun unfriendliness, hostility. 對抗 对抗（性） anˌtagoˈnistic adjective 敵對的 对抗（性）的 anˌtagoˈnistically adverb 敵對地 对抗（性）地 anˈtagonize, anˈtagonise verb to make an enemy of (someone). You are antagonizing her by your rudeness. 引起某人的敵意 引起对抗antagonist
antagonist1. any muscle that opposes the action of another 2. a drug that counteracts the effects of another drug antagonist[an′tag·ə‚nist] (biochemistry) A molecule that bears sufficient structural similarity to a second molecule to compete with that molecule for binding sites on a third molecule. (pharmacology) A drug or other chemical substance capable of reducing the physiological activity of another chemical substance; refers especially to a drug that opposes the action of a drug or other chemical substance on the nervous system by combining with and blocking the nerve receptor. (physiology) A muscle that contracts with, and limits the action of, another muscle, called an agonist, with which it is paired. antagonist
antagonist [an-tag´o-nist] muscle" >antagonistic muscle. (see illustration.)1. a substance that tends to nullify the action of another, as a drug that binds to a cellular receptor for a hormone, neurotransmitter, or another drug blocking the action of that substance without producing any physiologic effect itself. See also blocking agent.2. a tooth in one jaw that articulates with one in the other jaw.α-adrenergic antagonist alpha-adrenergic blocking agent.β-adrenergic antagonist beta-adrenergic blocking agent.folic acid antagonist see folic acid antagonist.H1 receptor antagonist any of a large number of agents that block the action of histamine by competitive binding to the H1 receptor. Such agents also have sedative, anticholinergic, and antiemetic effects, the exact effect varying from drug to drug, and are used for the relief of allergic symptoms and as antiemetics, antivertigo agents, sedatives, and antidyskinetics in parkinsonism. This group is traditionally called the antihistamines.H2 receptor antagonist an agent that blocks the action of histamine by competitive binding to the H2 receptor; used to inhibit gastric secretion in the treatment of peptic ulcer.an·tag·o·nist (an-tag'ŏ-nist), Something opposing or resisting the action of another; certain structures, agents, diseases, or physiologic processes that tend to neutralize or impede the action or effect of others. Compare: synergist. antagonist (ăn-tăg′ə-nĭst)n.1. Physiology A muscle that counteracts the action of another muscle, the agonist.2. A drug or chemical substance that interferes with the physiological action of another, especially by combining with and blocking its receptor.
an·tag′o·nis′tic adj.an·tag′o·nis′ti·cal·ly adv.antagonist Anatomy
A muscle that opposes the movement of agonist muscles and returns a limb to its initial position.
Pharmacology
A substance that partially or completely nullifies the effect of another agent; a chemical entity that is not naturally found in the body which occupies a receptor, produces no physiologic effects and prevents endogenous and exogenous chemicals from producing an effect on that receptor.an·tag·o·nist (an-tag'ŏ-nist) Something opposing or resisting the action of another; any structure, agent, disease, or physiologic process that tends to neutralize or impede some action or effect.
Compare: synergistantagonist 1. A muscle that acts to oppose the action of another muscle (the agonist). 2. A drug that counteracts or neutralizes the action of another drug. The antonym of antagonist is agonist. AntagonistA substance that tends to nullify the action of another.Mentioned in: Withdrawal Syndromesantagonist 1. An antagonistic muscle. 2. A substance (e.g. a drug, hormone or neurotransmitter) that depresses the action of an agonist or binds to a cell receptor without eliciting a physiological response (e.g. excitation or inhibition). Examples: atropine and hyoscine which block the effect of acetylcholine acting on cholinergic receptors and timolol which blocks adrenergic receptors. See agonist.an·tag·o·nist (an-tag'ŏ-nist) Something opposing or resisting the action of another; certain structures, agents, diseases, or physiologic processes that tend to neutralize or impede the action or effect of others.
Compare: synergistAcronymsSeeANTantagonist
Related to antagonist: protagonist, antagonist drug, Dopamine antagonistSynonyms for antagonistnoun opponentSynonyms- opponent
- rival
- opposer
- enemy
- competitor
- contender
- foe
- adversary
Synonyms for antagonistnoun one that opposes another in a battle, contest, controversy, or debateSynonyms- adversary
- opponent
- opposer
- opposition
- oppositionist
- resister
Synonyms for antagonistnoun someone who offers oppositionSynonyms- adversary
- opposer
- resister
- opponent
Related Words- individual
- mortal
- person
- somebody
- someone
- soul
- dueler
- duelist
- dueller
- duellist
- foe
- foeman
- enemy
- opposition
- Luddite
- withstander
Antonymsnoun a muscle that relaxes while another contractsRelated Wordsnoun a drug that neutralizes or counteracts the effects of another drugRelated Words- drug
- estrogen antagonist
- tamoxifen
- narcotic antagonist
Antonyms |