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1. Dictionary

   challenge

   /ˈtʃalɪn(d)ʒ/

   noun

   • 1. a call to someone to participate in a competitive situation or fight to decide who is superior in terms of ability or strength: "he accepted the challenge" Similar dareprovocationsummons
   • ▪ a task or situation that tests someone's abilities: "the traverse of the ridge is a challenge for experienced climbers" Similar problemdifficult tasktesttrialtroublebotherobstacle
   • ▪ an attempt to win a contest or championship in a sport: "he is desperate for a third world title challenge"
   • 2. a call to prove or justify something: "a challenge to the legality of the banning order" Similar confrontation withdispute withstand againsttest ofoppositiondisagreement withquestioning ofdefianceultimatum
   • ▪ a guard'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): "a certain number of jurors may be challenged"
   • ▪ (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. dictionary.cambridge.org › english › challengeCHALLENGE | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › english › challenge

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   CHALLENGE definition: 1. (the situation of being faced with) something that needs great mental or physical effort in…. Learn more.

   • English (US)

     CHALLENGE meaning: 1. (the situation of being faced with)...

   • Znaczenie Challenge, Definicja W Cambridge English Dictionary

     CHALLENGE definicja: 1. (the situation of being faced with)...

3. www.merriam-webster.com › dictionary › challengeChallenge Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › challenge

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   Learn the various meanings and uses of the word challenge as a verb and a noun, with synonyms, examples, and word history. Find out how to challenge someone or something in different contexts and situations.

4. www.collinsdictionary.com › english › challengeCHALLENGE definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › english › challenge

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   Learn the various meanings and uses of the word challenge as a noun and a verb in British and American English. Find synonyms, pronunciation, examples, and related words for challenge.

5. www.oxfordlearnersdictionaries.com › definitionchallenge noun - Definition, pictures, pronunciation and ...

   www.oxfordlearnersdictionaries.com › definition

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   Learn the meaning, pronunciation and examples of the word challenge as a noun in English. Find out how to use challenge in different contexts, such as tasks, competitions, questions and statements.

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

   www.dictionary.com › browse › challenge

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   Learn the meaning and usage of the word challenge as a noun, verb, and adjective. Find out the origin, history, and related words of challenge in English.

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

   www.vocabulary.com › dictionary › challenge

   A challenge is something that puts you to the test — like running your first marathon or reading War and Peace. Challenge, as a verb, is derived from a Latin word meaning "to accuse falsely," and it is still used much as it was in the 13th century, in the sense of questioning whether something is true or right.

8. dictionary.cambridge.org › challengeCHALLENGE | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › challenge

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   Learn the meaning of challenge as a noun and a verb, with examples of usage and pronunciation. Find out how to say challenge in different languages, such as Chinese, Spanish, French, and more.