Part of speech:
stimulating interest or thought
To oppose by argument or assertion; to controvert; to express dissent or opposition to; to call in question; to deny the truth or validity of.
Test is defined as to participate in or administer an exam or evaluation.
To cause to be at a loss; baffle:
To subject to a legal obligation, such as a fine or court order:
Reproach is defined as to blame or shame someone.
To call back from flight or disorderly action; to call to, for the purpose of subduing or quieting.
To ask a question or questions
To call forth; evoke
To call as a witness in affirming or denying, or to prove an affirmation; to appeal to.
To welcome; encourage:
To require as useful, just, proper, or necessary; call for:
To refuse to submit to or cooperate with:
To have enough courage or audacity for some act; be fearless; venture
To argue or reason against; contradict; deny; dispute
To come face to face with, especially with defiance or hostility:
To state as a fact or as one's belief (something that may be called into question); assert
To call to account; to challenge.
Censure is defined as to criticize or judge in a harsh manner.
To challenge the truthfulness or genuineness of:
To defy; dare
To charge formally with a wrongdoing.
To increase temporarily the activity of (a body organ or system, for example).
To question formally, as to elicit facts or information; interrogate:
To provide resistance to (an electrical current).
To try to disprove or invalidate (something) as by argument or legal action; dispute
(Informal) To complain or protest noisily or peevishly.
(Internet) To remove a participant from an online activity.
To remonstrate is to plead or protest with reason.
Object is defined as to reason or argument against something.
To deny the legal sufficiency of an adversary’s claim, without admitting or denying the truth of the underlying facts, usually on a technical legal basis rather than the merits of the claim; to file a demurrer.
Approach means to move close to something.
To equal in some way; be a match for
To be turned or placed with the front toward a specified direction.
To face or oppose courageously or brazenly, as if grasping by the beard; defy
(Intransitive) To rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or discontent); to accept or consent by silence or by omitting to object; — followed by ""in"", sometimes also by ""with"" and ""to"".
To be liable or accountable:
(Physiol.) To produce or increase the response of (an organism, organ, tissue, etc.) to a proper stimulus
To be uncertain about; question; feel distrust of
To seek an answer to:
To call together; convene:
To bear the weight of, especially from below; keep from falling, sinking, or slipping:
To express a desire for, especially politely; ask for. Often used with an infinitive or clause:
To forbid is defined as to order that something not occur, or to prevent something from occurring.
Find another word for challenging. In this page you can discover 57 synonyms, antonyms, idiomatic expressions, and related words for challenging, like: ambitious, intriguing, thought-provoking, gainsaying, disputing, querying, testing, stumping, slapping, reproaching and reclaiming.