To be difficult or challenging for.
To question or demand the countersign from (one who attempts to pass the lines).
To dare (someone).
To invite (someone) to take part in a competition.
To call something into question or dispute.
To object to the reception of the vote of, e.g. on the ground that the person is not qualified as a voter.
To take (a final exam) in order to get credit for a course without taking it.
To make a formal objection to a juror.
To dispute (something).
The act of appealing a ruling or decision of a court of administrative agency.
An antagonization or instigation intended to convince a person to perform an action they otherwise would not.
A bid to overcome something.
The act of seeking to remove a judge, arbitrator, or other judicial or semi-judicial figure for reasons of alleged bias or incapacity.
An act of seeking to have a certain person be declared not legally qualified to vote, made when the person offers their ballot.
The act of a sentry in halting a person and demanding the countersign, or (by extension) the action of a computer system demanding a password, etc.
A summons to fight a duel; also, the letter or message conveying the summons.
A difficult task, especially one that the person making the attempt finds more enjoyable because of that difficulty.
An attempt to take possession; a tackle.
An attempt to have a work of literature restricted or removed from a public library or school curriculum.
The opening and crying of hounds upon first finding the scent of their game.
A judge's interest in the result of a case, constituting grounds for them to not be allowed to sit the case (e.g., a conflict of interest).
To make desirable or necessary.
To demand and enforce the payment or performance of, sometimes in a forcible or imperious way.
To inflict; to forcibly obtain or produce.
Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual.
Such that the kernel of one homomorphism is the image of the preceding one.
Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.
Precisely or definitely conceived or stated; strict.
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