(chiefly formal, in law, logic, etc.) Used in numerous Latin phrases (and occasionally alone) in the sense of “appeal” or “argument”.

The use of physical force to win an argument.

(informal, rare) plural of argumentum ad hominem

(rhetoric) An argument from authority, or an appeal to authority.

(rhetoric, rare) An appeal to poverty; the logical fallacy of thinking a conclusion is correct because the speaker is poor.

(rhetoric) The false proof of a statement by (prolonged) repetition, possibly by different people.

(rhetoric) argumentum ad populum.

(rhetoric) A fallacious argument that concludes a proposition to be true because many or all people believe it; it alleges that “if many believe so, it is so”.

(rhetoric) The use or threat of force to coerce acceptance of an argument.

(rhetoric) The logical fallacy of concluding that a proposition is correct because the person advancing it is rich.