Synonyms of the word

oppugn

• v. (transitive, rare) To contradict or controvert; to oppose; to challenge or question the truth or validity…

challenge

• n. A confrontation; a dare.
• n. A difficult task, especially one that the person making the attempt finds more enjoyable because of that…
• n. (law) A procedure or action.
• n. (hunting) The opening and crying of hounds at first finding the scent of their game.
• v. To invite someone to take part in a competition.
• v. To dare someone.
• v. To dispute something.
• v. (law) To make a formal objection to a juror.
• v. (obsolete) To claim as due; to demand as a right.
• v. (obsolete) To censure; to blame.
• v. (military) To question or demand the countersign from (one who attempts to pass the lines).
• v. (US) To object to the reception of the vote of, e.g. on the ground that the person is not qualified as…
• v. (Canada, US) To take (a final exam) in order to get credit for a course without taking it.

question

• n. A sentence, phrase or word which asks for information, reply or response; an interrogative.
• n. A subject or topic for consideration or investigation.
• n. A doubt or challenge about the truth or accuracy of a matter.
• n. A proposal to a meeting as a topic for deliberation.
• n. interrogation by torture.
• n. (obsolete) Talk; conversation; speech.
• v. To ask questions of; interrogate; enquire; ask for information.
• v. To raise doubts about; have doubts about.
• v. (obsolete) To argue; to converse; to dispute.