challenge - definition, thesaurus and related words from WordNet-Online

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Noun challenge has 5 senses

challenge - a demanding or stimulating situation; "they reacted irrationally to the challenge of Russian power"
--₁ is a kind of situation, state of affairs
challenge - a call to engage in a contest or fight
--₂ is a kind of speech act
--₂ has particulars:
dare, daring; confrontation; call-out; defiance; calling into question, demand for explanation; demand for identification; gauntlet, gantlet

Derived form: verb challenge₂
challenge - questioning a statement and demanding an explanation; "his challenge of the assumption that Japan is still our enemy"
--₃ is a kind of questioning, inquiring

Derived form: verb challenge₁
challenge - a formal objection to the selection of a particular person as a juror
--₄ is a kind of objection

Derived form: verb challenge₄
challenge - a demand by a sentry for a password or identification
--₅ is a kind of demand

Derived form: verb challenge₃

Verb challenge has 4 senses

challenge, dispute, gainsay - take exception to; "She challenged his claims"
--₁ is one way to contest, contend, repugn

Derived form: noun challenge₃
Sample sentences:
Somebody ----s something
Somebody ----s somebody
challenge - issue a challenge to; "Fischer challenged Spassky to a match"
--₂ is one way to invite, bid

Derived forms: noun challenger₁, noun challenge₂
Sample sentence:
They challenge him to write the letter
challenge - ask for identification; "The illegal immigrant was challenged by the border guard"
--₃ is one way to request, bespeak, call for, quest

Derived form: noun challenge₅
Sample sentence:
Somebody ----s somebody
challenge, take exception - raise a formal objection in a court of law
--₄ is one way to object

Derived form: noun challenge₄
Sample sentence:
Somebody ----s PP