interpose v. + Add to list US //ˌɪntɝˈpoʊz// UK //ˌɪntəpˈəʊz// in·ter·pose SynonymsEtymology Synonyms injectinterfereinterjectinterveneOriginLATinterpōnō→FRMinterposer→ENinterpose From Middle French interposer, influenced by poser (“to place, put”), from Latin interpōnō, from inter (“between”) + pōnō (“to place, put”).