1 sth new and difficult
big, considerable, enormous, great, huge, monumental, radical, real, serious, significant
daunting, difficult, formidable, stiff, tough

The army faced the daunting challenge of fighting a war on two fronts.

fundamental, key, main, major, primary, ultimate
fresh, new, unprecedented
constant, continuing, ongoing
exciting, interesting
special, unique
economic, engineering, environmental, intellectual, logistical, physical, political, technical, technological

Getting the instrument built and tested was a major technical challenge.

be, constitute, remain, represent

The competitive market represents significant challenges for farmers.

create, offer, pose, present, provide, raise
address, confront, face, handle, meet, respond to, rise to, tackle, take on, take up

The gallery has risen to the challenge of exhibiting the works of young artists.

He has taken on some exciting new challenges with this job.

overcome, solve
enjoy, relish, welcome
confront sb, face sb

the challenges facing nurses in casualty

arise, exist, remain

She could always be counted on when a challenge arose.


The challenge lies in creating a demand for the product.

2 call for sb to fight, prove sth, etc.
effective, serious, strong
constitutional, legal
leadership, title

his title challenge to the heavyweight champion

be, constitute, present, represent

The demonstration represents a direct challenge to the new law.

file (esp. AmE), issue, mount, raise

plans to mount a leadership challenge within the party

accept, take up

I accepted his challenge to a game of chess.


He was answering challenges to the government's policy.

beat off, fight off

Our team will have to fight off the challenge from better trained teams.

survive, withstand
challenge from

a challenge from the other political party

challenge to

a legal challenge to the President's power

1 question whether sth is right/true
directly, openly, publicly

The newspaper was directly challenging the government's legitimacy.

seriously, vigorously

She was effectively challenging the whole basis on which society was run.


The story was completely untrue and was successfully challenged in court.

constantly, continually, repeatedly

Harley sought to challenge the jurisdiction of the court.


She challenged him on his old-fashioned views.

2 invite sb to compete, argue, etc.

No one has seriously challenged the champion.

successfully, unsuccessfully

She was poised to challenge for the party leadership.


The count challenged him to a duel.

Challenge is used with these nouns as the subject: ↑case, ↑movement
Challenge is used with these nouns as the object: ↑assertion, ↑assumption, ↑authority, ↑belief, ↑claim, ↑competence, ↑conception, ↑convention, ↑credibility, ↑decision, ↑detention, ↑dogma, ↑dominance, ↑establishment, ↑finding, ↑hierarchy, ↑idea, ↑ideology, ↑interpretation, ↑legality, ↑limit, ↑logic, ↑monopoly, ↑myth, ↑norm, ↑notion, ↑orthodoxy, ↑perception, ↑practice, ↑preconception, ↑prejudice, ↑prerogative, ↑racism, ↑regime, ↑stereotype, ↑supremacy, ↑theory, ↑thesis, ↑tradition, ↑validity, ↑view, ↑will, ↑wisdom

Collocations dictionary. 2013.

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  • challenge — chal·lenge 1 vt chal·lenged, chal·leng·ing 1: to dispute esp. as being invalid or unjust counsel challenged this interpretation 2: to question formally (as by a suit or motion) the legality or legal qualifications of challenge the regulations;… …   Law dictionary

  • challenge — [ ʃalɑ̃ʒ; tʃalɛndʒ ] n. m. • 1884; mot angl. « défi »; a. fr. « débat, chicane », forme pop. du lat. calumnia → calomnie ♦ Anglic. 1 ♦ Épreuve sportive dans laquelle le vainqueur détient un prix, un titre jusqu à ce qu un vainqueur nouveau l en… …   Encyclopédie Universelle

  • challenge — chal‧lenge [ˈtʆælndʒ] noun [countable] 1. ACCOUNTING a careful check of the cash and shares etc held by the employees of a company, as part of an official check to discover if there has been any dishonesty 2. something difficult that you feel… …   Financial and business terms

  • Challenge — Chal lenge, n. [OE. chalenge claim, accusation, challenge, OF. chalenge, chalonge, claim, accusation, contest, fr. L. calumnia false accusation, chicanery. See {Calumny}.] 1. An invitation to engage in a contest or controversy of any kind; a… …   The Collaborative International Dictionary of English

  • Challenge — Chal lenge, v. t. [imp. & p. p. {Challenged}; p. pr. & vb. n. {Challenging}.] [OE. chalengen to accuse, claim, OF. chalengier, chalongier, to claim, accuse, dispute, fr. L. calumniar to attack with false accusations. See {Challenge}, n., and cf.… …   The Collaborative International Dictionary of English

  • Challenge 21 — is a scheme in the United Kingdom introduced by the British Beer and Pub Association (BBPA) aimed at preventing young people gaining access to age restricted products including cigarettes and alcohol.[1] Under the scheme, customers attempting to… …   Wikipedia

  • Challenge — Hebdo  Pour l’article homonyme, voir Challenges.   Challenge Hebdo {{{nomorigine}}} …   Wikipédia en Français

  • Challenge — Brownsville, CA U.S. Census Designated Place in California Population (2000): 1069 Housing Units (2000): 580 Land area (2000): 9.664709 sq. miles (25.031480 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000):… …   StarDict's U.S. Gazetteer Places

  • Challenge, CA — Challenge Brownsville, CA U.S. Census Designated Place in California Population (2000): 1069 Housing Units (2000): 580 Land area (2000): 9.664709 sq. miles (25.031480 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area… …   StarDict's U.S. Gazetteer Places

  • challenge — [chal′ənj] n. [ME & OFr chalenge, accusation, claim, dispute < L calumnia, CALUMNY] 1. a demand for identification [a sentry gave the challenge] 2. a calling into question; a demanding of proof, explanation, etc. [a challenge of the premises… …   English World dictionary

  • Challenge — (engl. für „Herausforderung“) bezeichnet: das Sicherheitsprotokoll Challenge Handshake Authentication Protocol das Plattenlabel Challenge Records einen Begriff aus dem American Football die internationale Serie von Triathlon Wettkämpfen Challenge …   Deutsch Wikipedia

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