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Definitions for Challenging

[1] offering a challenge; testing one's ability, endurance, etc: a challenging course; a challenging game.
[2] stimulating, interesting, and thought-provoking: a challenging suggestion.
[3] provocative; intriguing: a challenging smile.
[4] a call or summons to engage in any contest, as of skill, strength, etc.
[5] something that by its nature or character serves as a call to battle, contest, special effort, etc.: Space exploration offers a challenge to humankind.
[6] a call to fight, as a battle, a duel, etc.
[7] a demand to explain, justify, etc.: a challenge to the treasurer to itemize expenditures.
[8] difficulty in a job or undertaking that is stimulating to one engaged in it.
[9] Military . the demand of a sentry for identification or a countersign.
[10] Law . a formal objection to the qualifications of a particular juror, to his or her serving, or to the legality of an entire jury. Compare peremptory challenge.
[11] the assertion that a vote is invalid or that a voter is not legally qualified.
[12] Biology . the process of inducing or assessing physiological or immunological activity by exposing an organism to a specific substance.
[13] Hunting . the crying of a hound on finding a scent.
[14] to summon to a contest of skill, strength, etc.
[15] to take exception to; call in question: to challenge the wisdom of a procedure.
[16] to demand as something due or rightful.
[17] Military . to halt and demand identification or countersign from.
[18] Law . to take formal exception to (a juror or jury).
[19] to have a claim to; invite; arouse; stimulate: a matter which challenges attention.
[20] to assert that (a vote) is invalid.
[21] to assert that (a voter) is not qualified to vote.
[22] to expose an organism to a specific substance in order to assess its physiological or immunological activity.
[23] Archaic . to lay claim to.
[24] to make or issue a challenge.
[25] Hunting . (of hounds) to cry or give tongue on picking up the scent.
[26] donated or given by a private, corporate, or government benefactor on condition that the recipient raise an additional specified amount from the public: a challenge grant.
[27] demanding or stimulating a challenging new job
[28] to invite or summon (someone to do something, esp to take part in a contest)
[29] (also intr) to call (something) into question; dispute
[30] to make demands on; stimulate the job challenges his ingenuity
[31] to order (a person) to halt and be identified or to give a password
[32] law to make formal objection to (a juror or jury)
[33] to lay claim to (attention, etc)
[34] (intr) hunting (of a hound) to cry out on first encountering the scent of a quarry
[35] to inject (an experimental animal immunized with a test substance) with disease microorganisms to test for immunity to the disease
[36] a call to engage in a fight, argument, or contest
[37] a questioning of a statement or fact; a demand for justification or explanation
[38] a demanding or stimulating situation, career, object, etc
[39] a demand by a sentry, watchman, etc, for identification or a password
[40] US an assertion that a person is not entitled to vote or that a vote is invalid
[41] law a formal objection to a person selected to serve on a jury (challenge to the polls ) or to the whole body of jurors (challenge to the array )

Words related to Challenging

try, claim, confront, defy, impose, denounce, assert, demand, test, require, impugn, brave, vindicate, inquire, tax, cross, impeach, summon, accost, investigate

Words nearby Challenging

challah, challenge, challenge diet, challenged, challenger, challenging, challis, chalmers, chalon-sur-saône, chalone, chalukya

Origin of Challenging

e1175–1225; Middle English chalenge < Old French, variant of chalonge < Latin calumnia calumny

Other words from Challenging

chal·leng·ing·ly , adverb
non·chal·leng·ing , adjective
un·chal·leng·ing , adjective
chal·lenge·a·ble , adjective
pre·chal·lenge , verb (used with object), pre·chal·lenged, pre·chal·leng·ing.
re·chal·lenge , verb (used with object), re·chal·lenged, re·chal·leng·ing.
un·chal·lenge·a·ble , adjective
un·chal·lenge·a·bly , adverb

Word origin for Challenging

eC13: from Old French chalenge, from Latin calumnia calumny

Synonyms for Challenging

ask for, assert, call for, claim, confront, defy, demand, denounce, impose, require, test, try, accost, arouse, beard, brave, cross, dare, exact, impeach, impugn, inquire, investigate, provoke, query, reclaim, stimulate, summon, tax, vindicate, call out, face down, face off, face the music, fly in the face of, hang in, insist upon, invite competition, make a point of, make a stand, object to, search out, stand up to, stick it out, throw down the gauntlet