profusion n. + Add to list US //pɹəfˈjuʒən// UK //pɹəfjˈuːʒən// pro·fu·sion SynonymsEtymology Synonyms cornucopiaprofusenessrichnessOriginLA-LATprofusio→FRMprofusion→ENprofusion From Middle French profusion, from Late Latin profusio.