Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun challenge

5 senses of challenge

Sense 1
challenge -- (a demanding or stimulating situation; "they reacted irrationally to the challenge of Russian power")
       => situation, state of affairs -- (the general state of things; the combination of circumstances at a given time; "the present international situation is dangerous"; "wondered how such a state of affairs had come about"; "eternal truths will be neither true nor eternal unless they have fresh meaning for every new social situation"- Franklin D.Roosevelt)

Sense 2
challenge -- (a call to engage in a contest or fight)
       => speech act -- (the use of language to perform some act)

Sense 3
challenge -- (questioning a statement and demanding an explanation; "his challenge of the assumption that Japan is still our enemy")
       => questioning, inquiring -- (a request for information)

Sense 4
challenge -- (a formal objection to the selection of a particular person as a juror)
       => objection -- (the speech act of objecting)

Sense 5
challenge -- (a demand by a sentry for a password or identification)
       => demand -- (an urgent or peremptory request; "his demands for attention were unceasing")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb challenge

4 senses of challenge

Sense 1
challenge, dispute, gainsay -- (take exception to; "She challenged his claims")
       => contest, contend, repugn -- (to make the subject of dispute, contention, or litigation; "They contested the outcome of the race")

Sense 2
challenge -- (issue a challenge to; "Fischer challenged Spassky to a match")
       => invite, bid -- (ask someone in a friendly way to do something)

Sense 3
challenge -- (ask for identification; "The illegal immigrant was challenged by the border guard")
       => request, bespeak, call for, quest -- (express the need or desire for; ask for; "She requested an extra bed in her room"; "She called for room service")

Sense 4
challenge, take exception -- (raise a formal objection in a court of law)
       => object -- (express or raise an objection or protest or criticism or express dissent; "She never objected to the amount of work her boss charged her with"; "When asked to drive the truck, she objected that she did not have a driver's license")