(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.
Gregarious
Definition:
(a.) Habitually living or moving in flocks or herds; tending to flock or herd together; not habitually solitary or living alone.
Example Sentences:
(1) Rubens is not a solitary source of painterly genius, but a gregarious master who never hid his own quotations of earlier art.
(2) Cytological features are in agreement with the gregarious behaviour of cockroaches.
(3) Path analysis procedures were used to test a causal model that concerns possible antecedent conditions in relation to gregarious drinking patterns.
(4) He inherited his father's calculation and his mother's gregariousness and style.
(5) Backstage, Gabbana – the more gregarious of the two – will talk about fashion as fantasy, last season explaining his vision thus: “I have this life … I want to be happy.
(6) Famously, she lit a lamp in her window, as a welcoming sign to the vast Irish diaspora; deliberately – there was no lack of steel in her campaign, and she quickly showed a willingness to exploit the gaffes of often incompetent rivals – she made herself less private and austere, acquiring suits by Irish designers, trying, above all, to be more open and approachable, more, she told Byrne, like her own warm, gregarious mother.
(7) The imposing and gregarious Midlands-born banker tried and failed to buy Northern Rock before it was nationalised in February 2008 and then missed out on 318 Royal Bank of Scotland branches last year.
(8) Little wonder that tactless buyers at Asda rubber-stamped the rapidly withdrawn "Mental Patient" fancy dress costume when "mental" is routinely worn as a badge of gregarious honour.
(9) These patients also showed significant differences on the MCMI asocial, gregarious, and neurotic depression scales.
(10) Passive avoidance learning occupies a central role in accounts of disinhibited behavior, ranging from psychopaths' persistent criminality (Hare 1970) to extraverts' gregariousness (Gray, 1972).
(11) Bank swallows nest gregariously in colonies usually ranging from 10 to 300 nests.
(12) When we sit down for a more formal interview in his Manhattan hotel room a few hours later, Ross's earlier gregarious anecdotes are replaced by aphorisms that could come straight off one of those inspirational posters you see in recruitment consultant offices.
(13) Light-microscopically, pleomorphic tumor cells clustered gregariously and often formed alveolar structures.
(14) American Indians and Hispanos have a greater tendency to drink gregariously, to drink more, and to have more disruption in social role functioning.
(15) Females of two hamster species with contrasting degrees of gregariousness were tested for social influences on the timing of sexual maturation.
(16) He is a gregarious media grandee, who was born into the royal family of UK showbusiness.
(17) 2) Traditionals, healthy at both ages, were gregarious and nurturant.
(18) "Affectionately known as Corporal Hamer in the office, he was a gregarious figure, a wonderful friend who was hugely popular with his colleagues.
(19) When female dwarf hamsters (Phodopus sungorus campbelli), a gregarious species, were housed with an adult male at weaning, they began estrous cycles significantly earlier than when they were housed alone or with their family.
(20) Experiments were performed to evaluate the status of antibacterial defensive responses in M. sexta larvae parasitized by this gregarious endoparasitoid.