challenge

noun

  1. 1

    a demand by a sentry for a password or identification

  2. 2

    questioning a statement and demanding an explanation

    his challenge of the assumption that Japan is still our enemy

  3. 3

    a formal objection to the selection of a particular person as a juror

  4. 4

    a call to engage in a contest or fight

  5. 5

    a demanding or stimulating situation

    they reacted irrationally to the challenge of Russian power

verb

  1. 1

    raise a formal objection in a court of law

  2. 2

    ask for identification

    The illegal immigrant was challenged by the border guard

  3. 3

    issue a challenge to

    Fischer challenged Spassky to a match

  4. 4

    take exception to

    She challenged his claims

Synonyms

Also useful for “challenge”:Unscrambler