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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
challenge verb (challenged, challenging) 1 to call on someone to settle a matter by any sort of contest  challenge him to a duel. 2 to cast doubt on something or call it in question  I shall challenge her right to borrow my key. 3 to test, especially in a stimulating way  a task that challenges you. 4 said of a guard or sentry: to order someone to stop and show official proof of identity, etc. 5 law to object to the inclusion of someone on a jury. noun 1 an invitation to a contest. 2 the questioning or doubting of something. 3 a problem or task that stimulates effort and interest. 4 an order from a guard or sentry to stop and prove identity. 5 law an objection to the inclusion of someone on a jury. challenger noun. challenging adj. challengingly adverb. 
ETYMOLOGY: 13c: from French chalenge, from Latin calumnia trickery.
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Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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