The outside world has achieved remarkable success delaying and thwarting the Iranian nuclear program.
The Nevada Democrat is the best filibuster buster in history, thwarting 69 percent of total Republican attempts.
Romney said current trade restrictions are thwarting economic growth in developing nations as well as in the United States.
c.1200, from Old Norse þvert "across," originally neuter of thverr (adj.) "transverse, across," cognate with Old English þweorh "transverse, perverse, angry, cross," from Proto-Germanic *thwerkhaz (cf. Middle Dutch dwers, Dutch dwars "cross-grained, contrary," Old High German twerh, German quer, Gothic þwairhs "angry"), altered (by influence of *thwer- "to turn") from *therkh-, from PIE *twork-/*twerk- "twist" (cf. Latin torquere "to twist," Sanskrit tarkuh "spindle," Old Church Slavonic traku "band, girdle," Old High German drahsil "turner," German drechseln "to turn on a lathe").
"oppose, hinder," mid-13c., from thwart (adv.). Related: Thwarted; thwarting.