challenge
1. [ verb ] take exception to
Synonyms: dispute gainsay
Examples:

"She challenged his claims"

Related terms: contest call call question
2. [ verb ] issue a challenge to
Examples:

"Fischer challenged Spassky to a match"

Related terms: invite question sue appeal remit provoke defy counterchallenge call_one's_bluff call_out litigate impugn impeach rival
3. [ noun ] a demanding or stimulating situation
Examples:

"they reacted irrationally to the challenge of Russian power"

Related terms: situation
4. [ noun ] a call to engage in a contest or fight
Related terms: speech_act defiance dare confrontation gantlet demand_for_identification calling_into_question call-out
5. [ noun ] questioning a statement and demanding an explanation
Examples:

"he challenged the assumption that Japan is our enemy"

Related terms: questioning
6. [ verb ] raise a formal objection in a court of law
Synonyms: take_exception
Related terms: object appeal law
7. [ verb ] ask for identification
Examples:

"The illegal immigrant was challenged by the border guard"

Related terms: request stop
8. [ noun ] (law) a formal objection to the selection of a particular person as a juror
Related terms: objection
9. [ noun ] a demand by a sentry for a password or identification
Related terms: demand
Similar spelling:   challenger
  challenging
  chilling
  cholangitis