Challenge (album)
WordNet
noun
(1) A demand by a sentry for a password or identification
(2) Questioning a statement and demanding an explanation
"His challenge of the assumption that Japan is still our enemy"
(3) A formal objection to the selection of a particular person as a juror
(4) A call to engage in a contest or fight
(5) A demanding or stimulating situation
"They reacted irrationally to the challenge of Russian power"
verb
(6) Raise a formal objection in a court of law
(7) Ask for identification
"The illegal immigrant was challenged by the border guard"
(8) Issue a challenge to
"Fischer challenged Spassky to a match"
(9) Take exception to
"She challenged his claims"