(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.
Defy
Definition:
(v. t.) To renounce or dissolve all bonds of affiance, faith, or obligation with; to reject, refuse, or renounce.
(v. t.) To provoke to combat or strife; to call out to combat; to challenge; to dare; to brave; to set at defiance; to treat with contempt; as, to defy an enemy; to defy the power of a magistrate; to defy the arguments of an opponent; to defy public opinion.
(n.) A challenge.
Example Sentences:
(1) For his lone, perilous journey that defied the US occupation authorities, Burchett was pilloried, not least by his embedded colleagues.
(2) "We have Revolutionary Guards who defied orders, though they were severely punished, expelled from the force and taken to prison," he says.
(3) He said his party was determined to go ahead with the poll, even if it meant defying Spain's constitutional court, which Rull dismissed as biased.
(4) When several of its semi-autonomous cars were caught running red lights, the state ordered their removal from the road – an order Uber openly defied , blaming the traffic light violations on “human error” and suspending the people monitoring the cars.
(5) Speaker Paul Ryan and majority leader Kevin McCarthy, the two top House Republicans, had argued in Monday’s meeting – held with no prior notice – against making the unilateral ethics change, calling for a bipartisan approach at a later date, but rank-and-file Republicans defied their leadership.
(6) Heidi Allen, the Conservative MP for South Cambridgeshire, abstained in last week’s vote but said she and others would defy the party whip if concessions were not offered.
(7) Barack Obama has defied a Republican Congress to move ahead on his climate agenda on Wednesday, cracking down on methane emissions from America’s oil and natural gas boom.
(8) The home secretary, Theresa May , has defied her own expert advisers and banned qat, a mild herbal stimulant that is traditionally used by Britain's Somali, Yemeni and Ethiopian communities.
(9) No call for the resurrection of the proud, shared traditions of Scots, Welsh and English people as they defied the powerful to build a better society; no convincing pledge that a new Britain would be forged, just and equal and fair unlike what New Labour failed to deliver.
(10) Some samples with complex patterns defied classification, and it is speculated that these may be from persons with duplicated C7 genes.
(11) Sales on the high street were much higher than expected this month, rising at their fastest rate in six years as consumers defied the gloomy economic outlook.
(12) But the instruction issued by the party headquarters in Paris was defied by the Socialist candidate in the Alsace-Champagne-Ardenne-Lorraine region, who came third but announced he would stand for the second round anyway.
(13) This was the childhood playground of actor Richard Harris, where he performed death-defying handstands and cycling tricks on the cliffside walls when not showboating by the sea.
(14) Just as no single description is universally applicable to the mode of action of vitamin A derivatives, so too do their toxic effects defy generalization.
(15) He has been held without charges since his arrest on 5 June but has been informed that under martial law he faces up to 14 years in prison on possible charges of inciting unrest, violating cyber laws and defying the junta's orders.
(16) Writers should be making more of an effort to write interesting parts for actors of colour that defy stereotypes, or implementing a Geena Davis type solution (simply change any character in a script into a woman) for race.
(17) It defies the logic of personal ambition that grows stronger with proximity to the biggest job in the world.
(18) It was so I could tell Jeremy that I had backed him.” Corbyn has defied not only Fletcher’s expectations but everyone else’s.
(19) But, since then, it has fallen to around $1,660 (£1,047) defying predictions – and the hopes of speculators – that it would continue to hit new peaks during the ongoing financial turmoil.
(20) For the last five months, he has enjoyed unprecedented political dominance, after an election where the SNP defied the logic of Holyrood's semi-proportional system by winning an absolute majority, sweeping into power with nearly 50% of the vote.