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1. Dictionary

   Chal·lenge

   /ˈCHalənj/

   

   noun

   • 1. a call to take part in a contest or competition, especially a duel: "he accepted the challenge" Similar dareprovocationsummons
   • ▪ a task or situation that tests someone's abilities: "the ridge is a challenge for experienced climbers" Similar problemdifficult tasktesttrialtroublebotherobstacle
   • ▪ an attempt to win a contest or championship in a sport: "a world title challenge"
   • 2. an objection or query as to the truth of something, often with an implicit demand for proof: "a challenge to the legality of the order" Similar confrontation withdispute withstand againsttest ofoppositiondisagreement withquestioning ofdefianceultimatum
   • ▪ a sentry's call for a password or other proof of identity: "I heard the challenge “Who goes there?”"
   • ▪ an objection regarding the eligibility or suitability of a jury member.
   • 3. the administration of an immunogenic or infectious agent to an animal or person, in order to study the resulting immune response or measure the efficacy of a vaccine: "challenge trials have yielded positive results when carefully and ethically conducted"

   verb

   • 1. invite (someone) to engage in a contest: "he challenged one of my men to a duel" Similar daresummoninvitebidthrow down the gauntlet todefy someone to do something
   • ▪ enter into competition with or opposition against: "the beauty industry as we know it is being challenged by a group of pioneers hoping to change the way we see our bodies"
   • ▪ make a rival claim to or threaten someone's hold on (a position): "they were challenging his leadership"
   • ▪ invite (someone) to do or say something that one thinks will be difficult or impossible: "I challenge the Minister to deny these accusations"
   • ▪ make demands on; prove testing to: "a new way of life that would challenge them" Similar testtaxtrystrainmake demands onwearywear outdrainsapstretchstimulatearouseinspireexcitespur on
   • 2. dispute the truth or validity of: "it is possible to challenge the report's assumptions" Similar questiondisagree withobject totake exception toconfrontdisputetake issue withprotest againstcall into questiondemur about/againstdissent frombe a dissenter from
   • ▪ object to (a jury member).
   • ▪ (of a guard) order (someone) to prove their identity: "the watchman did not challenge him"
   • 3. administer an immunogenic or infectious agent to an animal or person, in order to study the resulting immune response or measure the efficacy of a vaccine: "the mice were challenged with the influenza virus"

   Word Origin Middle English (in the senses ‘accusation’ and ‘accuse’): from Old French chalenge (noun), chalenger (verb), from Latin calumnia ‘calumny’, calumniari ‘calumniate’.

   Derivatives

   • 1. challengeable adjective

   Scrabble Points: 15

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2. www.vocabulary.com › dictionary › challengeChallenge - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › challenge

   Definitions of challenge. noun. a call to engage in a contest or fight. synonyms: gauntlet. see more. verb. issue a challenge to. “Fischer challenged Spassky to a match” see more. verb. take exception to. “She challenged his claims” synonyms: dispute, gainsay. see more. noun. questioning a statement and demanding an explanation.

3. dictionary.cambridge.org › dictionary › learner-englishCHALLENGE | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

   • Cached

   something that is difficult and that tests someone's ability or determination: Finding a decision that pleases everyone is the challenge which now faces the committee. It was the element of challenge which attracted me to the job. Fewer examples. an awesome challenge. a daunting challenge.

4. www.oxfordlearnersdictionaries.com › definition › englishchallenge noun - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › definition › english

   • Cached

   a new or difficult task that tests somebody’s ability and skill. a tough/major/significant challenge. The role will be the biggest challenge of his acting career. She still faces many challenges (= has to deal with them). Destruction of the environment is one of the most serious challenges we face.

5. www.collinsdictionary.com › dictionary › englishCHALLENGE definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

   • Cached

   2 days ago · 1. to invite or summon (someone to do something, esp to take part in a contest ) 2. (also intr) to call (something) into question; dispute. 3. to make demands on; stimulate. the job challenges his ingenuity. 4. to order (a person) to halt and be identified or to give a password.

6. www.dictionary.com › browse › challengeChallenge Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › challenge

   • Cached

   Challenge definition, a call or summons to engage in any contest, as of skill, strength, etc. See more.

7. www.oxfordlearnersdictionaries.com › definition › american_englishchallenge noun - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › definition › american_english

   • Cached

   challenge (to something) a statement or an action that shows that someone refuses to accept something and questions whether it is right, legal, etc. It was a direct challenge to the president's authority. Their legal challenge was unsuccessful.

8. www.oxfordlearnersdictionaries.com › definition › englishchallenge verb - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › definition › english

   • Cached

   to invite somebody to enter a competition, fight, etc.; to suggest strongly that somebody should do something (especially when you think that they might be unwilling to do it) challenge somebody to something Mike challenged me to a game of chess. The count challenged him to a duel.