To call something into question or dispute.
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 be difficult or challenging for.
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 a formal statement, especially of complaint, about (someone).
To write news reports (for); to cover as a journalist or reporter.
To relate details of (an event or incident); to recount, describe (something).
To repeat (something one has heard), to retell; to pass on, convey (a message, information etc.).
To be accountable to or subordinate to (someone) in a hierarchy; to receive orders from (someone); to give official updates to (someone who is above oneself in a hierarchy).
To show up or appear at an appointed time; to present oneself.
To notify someone of (particular intelligence, suspicions, illegality, misconduct etc.); to make notification to relevant authorities; to submit a formal report of.
To take minutes of (a speech, the doings of a public body, etc.); to write down from the lips of a speaker.
An employee whose position in a corporate hierarchy is below that of a particular manager.
Reputation.
The sharp, loud sound from a gun or explosion.
A piece of information describing, or an account of certain events given or presented to someone, with the most common adpositions being by (referring to creator of the report) and on (referring to the subject).