What's the difference between impugn and negate?

Impugn


Definition:

  • (v. t.) To attack by words or arguments; to contradict; to assail; to call in question; to make insinuations against; to gainsay; to oppose.

Example Sentences:

  • (1) "But, given the work that was done on behalf of the secretary of state to analyse the effect of the immigration of non-European Economic Area partners and dependent children on the benefits system, the level of income needed to minimise dependence on the state for families where non-EEA partners enter the UK, and what I regard as a rational conclusion on the link between better income and greater chances of integration, my conclusion is that the secretary of state's judgment cannot be impugned.
  • (2) Montanto’s lawyer James Todd deployed a wide variety of arguments in his client’s defense, including impugning past informants and witnesses.
  • (3) So these facts need to be impugned, and that's where David Allen Green and his "myth-busting" legal expertise comes into play.
  • (4) But the Justice Department attorney Ron Wiltsie, who impugned Xenakis’s credentials in tenacious cross-examination, said Dhiab had committed “five assaults since April 2014”.
  • (5) Poll gives Brexit campaign lead of three percentage points Read more Other leading members of the leave campaign have more directly impugned the prime minister’s character, painting him as untrustworthy and damaged as a leader.
  • (6) Despite having sacked the police superintendent , Garry McCarthy, on Monday and ordered the formation of a taskforce into police accountability, questions continue to swirl about what Emanuel knew, and when he knew it – questions that at best raise doubts about his grip over his own city and at worst threaten to impugn his integrity.
  • (7) This is contrary to an assumption I made in estimating that there are about 8 SS dizygotic pairs to every 7 OS pairs (thus impugning Weinberg's differential rule).
  • (8) Last month he was involved in a highly publicised spat with Mark Carney , impugning the Bank of England governor’s impartiality in the Brexit debate.
  • (9) "Clive Palmer would simply be a national laughing stock if his comments didn't impugn the integrity of the AEC," senator Xenophon said.
  • (10) One does not impugn the integrity of Malcolm Fewtrell or the Buckinghamshire CID.
  • (11) There is no thought of impugning the basic honesty of the reporting physician in this statement, but rather of raising the fair question of whether the "slipped disc" (or whatever the etiological diagnosis) is all that happened to produce the symptoms, and whether its removal (or whatever) is all that occurred in accomplishing clinical cure improvement.
  • (12) The prime minister, Peter O’Neill, and the high commissioner, Charles Lepani, have rebuked the opposition for impugning the dignity of PNG.
  • (13) Ever since the rise of the satire boom in the 1960s, the establishment has had to put up with having its values derided, its cherished myths debunked and its bona fides impugned.
  • (14) "Clearly Mr Mitchell is denying using certain words, effectively now impugning the integrity of the police officers," he told Sky News.
  • (15) The then defence secretary, Michael Fallon, blamed the lawyers involved and branded their actions a shameful attempt to use the legal system to attack and falsely impugn the armed forces.
  • (16) He stood by him after Lewandowski was charged with assaulting a female reporter, and even piled on when he tried to impugn that woman’s character.
  • (17) You’d be better off joking about his gigantic dumbo ears or his mole instead of impugning the very idea of human kindness.
  • (18) But aides insist he will not “impugn terrible motives” for such changes, preferring to welcome a convert and merely point out that the policy reversal would have been more useful while Congress was still voting on authorising the trade negotiations.
  • (19) Representative Peter DeFazio of Oregon told reporters “basically, the president tried to both guilt people and then impugn their integrity” while Representative Keith Ellison of Minnesota tweeted bitterly on Friday morning: “Now President Obama wants to talk?” But, all of Obama’s efforts proved for naught after Pelosi took the floor and spoke out against the deal.
  • (20) He added of his rival’s campaign: “They have a long record they’ve earned in South Carolina of engaging in this kind of trickery and impugning the integrity of whoever their opponent is to distract the attention.

Negate


Definition:

Example Sentences:

  • (1) In each sheep there was a significant negative correlation between the glucose and corticosteroid concentrations in both maternal and fetal plasma, and there were positive correlations between the maternal and fetal plasma concentrations of glucose, and between the glucose and fructose concentrations of fetal plasma.
  • (2) In 49 cases undergoing systemic lymphadenectomy 32 were found to have glandular involvement, of which both aortic and pelvic nodes were positive in 17 cases (53.1%), aortic nodes positive but pelvic negative in six (18.8%), and pelvic nodes positive but aortic negative in nine (28.1%).
  • (3) Comparison of wild type and the mutant parD promoter sequences indicated that three short repeats are likely involved in the negative regulation of this promoter.
  • (4) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
  • (5) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
  • (6) Peripheral eosinocytes increased by 10%, and tests for HBsAg, antiHBs, antimitochondrial antibody and anti-smooth muscle antibody were all negative.
  • (7) Binding data for both ligands to the enzyme yielded nonlinear Scatchard plots that analyze in terms of four negatively cooperative binding sites per enzyme tetramer.
  • (8) It is suggested that the normal cyclical release of LH is inhibited in PCO disease by a negative feedback by androgens to the hypothalamus or the pituitary, and that wedge resection should be reserved for patients in whom other forms of treatment have failed.
  • (9) Increases in extracellular calcium antagonized the negative inotropic effect.
  • (10) In a further study 1082 patients with a negative or doubtful result of the physical examination were investigated using ultrasound.
  • (11) Control incubations revealed an inherent difference between the two substrates; gram-positive supernatants consistently contained 5% radioactivity, whereas even at 0 h, those from the gram-negative mutant released 22%.
  • (12) The results obtained from these test systems were all negative.
  • (13) After transfection in CH4C1 cells the two isoforms are coupled with adenylate cyclase while only the shortest isoform appears negatively coupled to phospholipase C. Functional D2 dopamine receptors are present in human prolactinomas.
  • (14) All sera samples were tested by hemagglutination inhibition (HI) test and 881 (78.5%) of those were found to be positive and 242 (21.5%) were negative.
  • (15) Furthermore, high-density catalase-positive--but not catalase-negative--E. coli can survive and multiply in the presence of competitive, peroxide-generating streptococci.
  • (16) The remaining 5 soil samples, obtained from sites that were not in close proximity to lakes, were also negative except for one that contained type B.
  • (17) The percentage of eggs clamped at values more negative than -65 mV, which responded at insemination by developing an If, decreased and dropped to 0 at -80 mV.
  • (18) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
  • (19) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
  • (20) In Stage II patients, chemotherapy has an impact on disease mortality for ER-positive and ER-negative premenopausal women and possibly ER-negative postmenopausal patients.