foil [foiled, foiling, foils](prevent from being accomplished) verb [UK: fɔɪl] [US: ˌfɔɪl]The coup attempt was foiled at the last moment. = Il tentativo di golpe fu sventato all'ultimo momento.
thwart [thwarted, thwarting, thwarts](to prevent; to halt; to cause failure) verb [UK: θwɔːt] [US: ˈθwɔːrt]John tried to thwart her plans. = John provò a sventare i suoi piani.