Definition of ad rem in US English:

ad rem

adverb & adjective

  • Relevant to what is being done or discussed at the time.

    • ‘If you have no argument ad rem, and none either ad hominem, you can make one ad auditores; that is to say, you can start some invalid objection, which, however, only an expert sees to be invalid.’
    • ‘They are all opposed to argumentum ad rem (i e., to the point).’
    suitable, proper, fitting, apt
    View synonyms


Late 16th century: Latin, literally ‘to the matter’.


ad rem

/ˌad ˈrem/