Test is defined as to participate in or administer an exam or evaluation.
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.
To require as useful, just, proper, or necessary; call for:
To call forth; evoke
To call together; convene:
To state as a fact or as one's belief (something that may be called into question); assert
To refuse to submit to or cooperate with:
Reproach is defined as to blame or shame someone.
(Physiol.) To produce or increase the response of (an organism, organ, tissue, etc.) to a proper stimulus
To participate in a public demonstration in opposition to (something):
To catch (larks) by producing terror through the use of mirrors, scarlet cloth, a hawk, etc., so that they lie still till a net is thrown over them.
To ask a question or questions
To call to account; to challenge.
To cause to be at a loss; baffle:
To subject to a legal obligation, such as a fine or court order:
To defy; dare
To increase temporarily the activity of (a body organ or system, for example).
To come face to face with, especially with defiance or hostility:
To provide resistance to (an electrical current).
To bear the weight of, especially from below; keep from falling, sinking, or slipping:
To call back from flight or disorderly action; to call to, for the purpose of subduing or quieting.
To argue or reason against; contradict; deny; dispute
Censure is defined as to criticize or judge in a harsh manner.
To challenge the truthfulness or genuineness of:
To charge formally with a wrongdoing.
To question formally, as to elicit facts or information; interrogate:
To try to disprove or invalidate (something) as by argument or legal action; dispute
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.
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:
To be uncertain about; question; feel distrust of
To express a desire for, especially politely; ask for. Often used with an infinitive or clause:
(Informal) To complain or protest noisily or peevishly.
(Internet) To remove a participant from an online activity.
To seek an answer to:
stimulating interest or thought
Approach means to move close to something.
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 63 synonyms, antonyms, idiomatic expressions, and related words for challenging, like: testing, disputing, demanding, provoking, summoning, claiming, ambitious, defying, reproaching, opposing and exciting.