Challenge

verb

'ʧælɪndʒ

Noun

a demanding or stimulating situation
“they reacted irrationally to the challenge of Russian power”
Type of:Situation
questioning a statement and demanding an explanation
“his challenge of the assumption that Japan is still our enemy”
Type of:QuestioningInquiring
a call to engage in a contest or fight
a demand by a sentry for a password or identification
Type of:Demand
a formal objection to the selection of a particular person as a juror
Type of:Objection

take exception to
“She challenged his claims”
Similar:DisputeGainsay
Type of:RepugnContestContend
ask for identification
“The illegal immigrant was challenged by the border guard”
Type of:BespeakRequestQuest
issue a challenge to
“Fischer challenged Spassky to a match”
Type of:BidInvite
raise a formal objection in a court of law
Type of:Object