| 1. invitation to engage in a contest, dare; something which tests one's ability, difficult and stimulating task. dare, invite to engage in a contest; stimulate, test one's ability; demand that one identify himself (Military). challengechallenge, v. i. to assert a right; to claim a place. where nature doth with merit challenge.challenge challenge , n. [oe. chalenge claim, accusation, challenge, of. chalenge, chalonge, claim, accusation, contest, fr. l. calumnia false accusation, chicanery. see: calumny.] |