thwartBrE/θwɔːt/NAmE/θwɔːrt/verbpresent simple - I / you / we / theythwartBrE/θwɔːt/NAmE/θwɔːrt/present simple - he / she / itthwartsBrE/θwɔːts/NAmE/θwɔːrts/past simplethwartedBrE/ˈθwɔːtɪd/NAmE/ˈθwɔːrtɪd/past participlethwartedBrE/ˈθwɔːtɪd/NAmE/ˈθwɔːrtɪd/ -ing formthwartingBrE/ˈθwɔːtɪŋ/NAmE/ˈθwɔːrtɪŋ/[often passive]topreventsbfromdoingwhattheywanttodo阻止;阻挠;对…构成阻力SYNfrustrate◆~sthtothwartsb'splans阻挠某人的计划◆~sb (insth)Shewasthwartedinherattempttotakecontroloftheparty. 她控制这个政党的企图受阻了。