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n. A call to engage in a contest, fight, or competition: a challenge to a duel.

n. An act or statement of defiance; a call to confrontation: a challenge to the government's authority.

n. A demand for explanation or justification; a calling into question: a challenge to a theory.

n. A sentry's call to an unknown party for proper identification.

n. A test of one's abilities or resources in a demanding but stimulating undertaking: a career that offers a challenge.

n. A claim that a vote is invalid or that a voter is unqualified.

n. Law A formal objection to the inclusion of a prospective juror in a jury.

n. Immunology The induction or evaluation of an immune response in an organism by administration of a specific antigen to which it has been sensitized.

v. To call to engage in a contest, fight, or competition: challenged me to a game of chess.

v. To invite with defiance; dare: challenged him to contradict her. See Synonyms at defy.

v. To take exception to; call into question; dispute: a book that challenges established beliefs.

v. To order to halt and be identified, as by a sentry.

v. Law To take formal objection to (a prospective juror).

v. To question the qualifications of (a voter) or validity of (a vote).

v. To have due claim to; call for: events that challenge our attention.

v. To summon to action, effort, or use; stimulate: a problem that challenges the imagination.

v. Immunology To induce or evaluate an immune response in (an organism) by administering a specific antigen to which it has been sensitized.

verb-intransitive. To make or give voice to a challenge.

verb-intransitive. To begin barking upon picking up the scent. Used of hunting dogs.

n. An instigation or antagonization intended to convince a person to perform an action they otherwise would not.

n. A difficult task, especially one that the person making the attempt finds more enjoyable because of that difficulty.

n. A bid to overcome something.

n. A judge's interest in the result of the case for which he or she should not be allowed to sit the case, e.g. a conflict of interest.

n. The act of appealing a ruling or decision of a court of administrative agency.

n. The act of seeking to remove a judge, arbitrator or other judicial or semi-judicial figure for reasons of alleged bias or incapacity.

n. An attempt to take possession; a tackle

v. To invite someone to take part in a competition.

v. To dare someone.

v. To dispute something.

v. To make a formal objection to a juror.

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.

v. To call to a contest of any kind; to call to answer; to defy.

v. To call, invite, or summon to answer for an offense by personal combat.

v. To claim as due; to demand as a right.

v. To censure; to blame.

v. To question or demand the countersign from (one who attempts to pass the lines)

v. To take exception to; question.

v. To object to or take exception to, as to a juror, or member of a court.

v. To object to the reception of the vote of, as on the ground that the person in not qualified as a voter.

verb-intransitive. To assert a right; to claim a place.

n. Accusation; charge.

n. A claim or demand; pretension.

n. A summons or invitation to a duel; a calling upon one to engage in single combat, as for the vindication of the challenger's honor; a defiance.

n. Hence An invitation to a contest or trial of any kind: as, a challenge to a rubber at whist; a challenge to a public debate; “a challenge to controversy,”

n. The letter or message containing the summons to a combat or contest.

n. Milit., the act of a sentry in demanding the countersign from any one who approaches his post.

n. In hunting, the opening cry of hounds on first finding the scent of their game.

n. A calling in question; an exception taken, as to the tenability of a proposition, or a person's right to do something or to hold something.

n. In law, an objection to a juror; the claim of a party that a certain juror shall not sit in the cause.

To accuse; call to answer; censure.

To lay claim to; demand as due or as a right: as, the Supreme Being challenges our reverence and homage.

To call, invite, or summon to single combat or duel.

To call to a contest; call into opposing activity; invite to a trial; defy: as, to challenge a man to prove what he asserts (implying defiance).

To take exception to; object to (a person or thing); call in question: as, to challenge the accuracy of a statement. Specifically

In law, to object or take exception to, as a juror or jury panel. See challenge, n., 9—7. Milit., to demand the countersign from: as, a sentry is bound to challenge every person appearing near his post. See challenge, n., 6.

In hunting, to whimper or cry when the scent of game is first discovered: said of a hound.

n. In the East Indies, an exception taken by a ryot to the assessment of a neighbor's holding when it is less than that of his own poorer holding, accompanied by an offer to take over the neighbor's holding at a higher assessment, and a claim for the assessment on his own to be correspondingly reduced.

v. take exception to

n. a call to engage in a contest or fight

n. a demand by a sentry for a password or identification

n. a formal objection to the selection of a particular person as a juror

v. ask for identification

n. a demanding or stimulating situation

v. issue a challenge to

v. raise a formal objection in a court of law

n. questioning a statement and demanding an explanation

"Now we are in the process of restructuring ISI� The present leadership of ISI is very clear that this challenge is our challenge� if there are opinions that need to be expressed, they should not be done through the media."

array    favor    polls   

challenged    challenges    challenging   

demand    objection    call for    request    bespeak    quest    state of affairs    situation    questioning    inquiring   

question    objection    challenge for cause    challenging    challenger   

defiance    censure    blame    question    object   

threat    problem    decision    concern    task    aspect    conflict    goal    requirement    crisis