Antonym: supporter. Similar words: advantage, take advantage of, agony, wagon, drag on, percentage, ministry, fantasy. Meaning: [-ɪst] 
n. 1. someone who offers opposition 2. a muscle that relaxes while another contracts 3. a drug that neutralizes or counteracts the effects of another drug.
n. 1. someone who offers opposition 2. a muscle that relaxes while another contracts 3. a drug that neutralizes or counteracts the effects of another drug. 
Random good picture Not show
(61) Cyproheptadine, the 5-HT antagonist, was able to selectively blockade the excitatory effect of 5-HT on the fluke, and a similar effect was observed in mammalian animals.
(62) Darifenacin is a selective muscarinic M3-receptor antagonist that has been used in patients with overactive bladder syndrome (OAB).
(63) It was found that the antagonist picrotoxin was unable to block the liver fluke to the excitatory effect of GABA, while it could partially block the roundworm to the inhibitory effect of GABA.
(64) The thing is to know the nature of your antagonist.
(65) Randomized aldactone evaluation study (RALES) showed that adding aldosterone antagonist in the treatment of heart failure may decrease 30% mortality of all causes.
(66) Naloxone is a narcotic antagonist that prevents or reverses the effects of opioids. It is widely used in the treatment of narcotics and alcohol intoxication, shock, cerebral infarct.
(66) Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
(67) Objective : To study the antagonist - precipitated withdrawal response ( APWR ) of heroin addicts treated with naltrexone for preventing relapse.
(68) Antisecretory agents, receptor antagonist, antisense polynucleotide and anti-gastrin antibody have been evaluated as anti-gastrin therapy of gastrointestinal tumour.
(69) Further study found that Cyperus could antagonist the excitation effect of Ach and BaCl2 on the intestinal smooth muscle.
(70) The authors investigated whether the beta - adrenoceptor antagonist propranolol blocks glucocorticoid - induced memory retrieval impairments in human subjects.
(71) Leukotriene receptor antagonist is a new drug to treat allergic rhinitis.
(72) We both thought the best resource was flight, when pursued by so formidable an antagonist.
(73) Proglumide ( CCK antagonist ) into PVN significantly blocked the decrease of gallbladder pressure caused by CCK-8 in PVN.
(74) Results Methyl scopolamine, a peripheral muscarinic antagonist, leaded to a significant attenuation in the hyperthermic response to open-field exposure compared with rats dosed with saline.
(75) Asoprisnil didn't exhibit conspicuous estrogenic, glucocorticoid, androgenic agonist and anabolic agonist or antagonist properties at thearapeutic doses in animal experiments.
(76) He grew up oin St. Louis but was a St. Louis Browns fan, therefor a bitter antagonist of the cross-town rival Cardinals.
More similar words: advantage, take advantage of, agony, wagon, drag on, percentage, ministry, fantasy, feminist, minister, columnist, fantastic, administer, distant, administrator, administration, administrative, assistant, hang on, ago, onion, tag, laconic, monitor, chronic, colonial, a stage, ironically, cottage, heritage.