(n.) An invitation to engage in a contest or controversy of any kind; a defiance; specifically, a summons to fight a duel; also, the letter or message conveying the summons.
(n.) The act of a sentry in halting any one who appears at his post, and demanding the countersign.
(n.) A claim or demand.
(n.) The opening and crying of hounds at first finding the scent of their game.
(n.) An exception to a juror or to a member of a court martial, coupled with a demand that he should be held incompetent to act; the claim of a party that a certain person or persons shall not sit in trial upon him or his cause.
(n.) An exception to a person as not legally qualified to vote. The challenge must be made when the ballot is offered.
(n.) To call to a contest of any kind; to call to answer; to defy.
(n.) To call, invite, or summon to answer for an offense by personal combat.
(n.) To claim as due; to demand as a right.
(n.) To censure; to blame.
(n.) To question or demand the countersign from (one who attempts to pass the lines); as, the sentinel challenged us, with "Who comes there?"
(n.) To take exception to; question; as, to challenge the accuracy of a statement or of a quotation.
(n.) To object to or take exception to, as to a juror, or member of a court.
(n.) To object to the reception of the vote of, as on the ground that the person in not qualified as a voter.
(v. i.) To assert a right; to claim a place.
Example Sentences:
(1) Bronchial challenge caused an immediate asthmatic response.
(2) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
(3) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
(4) The degree of increase in Meth responsiveness elicited by the initial provocation is a major factor in determining the airway response to a subsequent HS challenge.
(5) Intranasal challenge of allergic subjects with the allergen to which they are sensitive rapidly produces sneezing, rhinorrhea, and airway obstruction.
(6) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
(7) In 1935, Einstein challenged the prevailing interpretation of quantum theory.
(8) A shrinking populace is perhaps a greater challenge than any problems with Russia.
(9) Intraperitoneal injection of indomethacin to pretreated animals resulted in increased levels of IL-1 and TNF and decreased levels of PGE2 following challenge with E. coli.
(10) Think of Nelson Mandela – there is a determination, an unwillingness to bend in the face of challenges, that earns you respect and makes people look to you for guidance.
(11) The children's pulse, pulse rate variability, and blood pressure were then measured at rest and during a challenging situation.
(12) At first it looked as though the winger might have shown too much of the ball to the defence, yet he managed to gain a crucial last touch to nudge it past Phil Jones and into the path of Jerome, who slipped Chris Smalling’s attempt at a covering tackle and held off Michael Carrick’s challenge to place a shot past an exposed De Gea.
(13) The results support the notion that mediator lymphocytes circulate in tumor immunized rats in a noncytotoxic state, specifically recognize tumor cells at a challenge site, and mediate induction of effector cells locally.
(14) The role of blood acetylcholinesterase in moderating the effects of organophosphate challenge in rats was tested.
(15) In the first trial to investigate the effect of tick control, significant improvements in liveweight gain (LWG) occurred only in periods of medium to high challenge with adult Amblyomma variegatum.
(16) The SNT and the I-ELISA indicated that the pigs responded to vaccination and challenge.
(17) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
(18) This observation seriously challenges the hypothesis that SCE cancellation results as a consequence of persistence of the lesions induced by these agents.
(19) Injection of about four ImD 50 of vaccine intracerebrally produced a local immunity, resulting in an immediate kill of challenge organisms given 14 days later.
(20) There was no correlation between anti-TNP-precipitating antibody titer after sensitization and the ability to respond to challenge by hapten-heterologous carrier.
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.