I. (ˈ)ad.ˈrem, (ˈ)ä- adverb
Etymology: Latin, to the affair
: in a way that is marked by strict attention to essential points : without digression
she seems incapable of speaking ad rem
II. (ˈ) ̷ ̷| ̷ ̷ adjective
: pertinent to the matter at issue or under consideration : relevant or vital to the point or purpose
a persuasive ad rem argument