sup·pu·rate \ˈsəpyəˌrāt, usu -ād.+V\verb (-ed/-ing/-s) Etymology: Latin suppuratus, past participle of suppurare to suppurate, from sub- + pur-, pus pus — more at foul transitive verb : to cause to generate pus : bring to a head intransitive verb : to discharge pus < afraid the wound will suppurate >