corpulent adj. + Add to list UK //kˈɔːpjʊlənt// cor·pu·lent Archaic SynonymsEtymology Synonyms obeserotundweightyOriginLATcorpulentus→OFRcorpulent→MEcorpulent→ENcorpulent From Middle English corpulent, from Old French corpulent, from Latin corpulentus.