challenge

Meanings

Noun

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

Verb

• take exception to
  • "She challenged his claims"
• issue a challenge to
  • "Fischer challenged Spassky to a match"
• ask for identification
  • "The illegal immigrant was challenged by the border guard"
• raise a formal objection in a court of law

Synonyms

dispute, gainsay, take exception