thwartதடுtaṭu(taḍu)(6 tr)prevent from taking place, frustrate, undermine, counteract; defeat, beat, vanquish, conquer, win a victory over, get the better of, rout, trounce, thrash, overcome, overpower, overthrow, overwhelm, crush, quash, quell, subjugate, subdue, repulse
Usage:
தீவிரவாதிகளின் கட்டத்தல் முயற்சியைக் காவல்துறையினர் தடுத்துவிட்டார்கள்tīviravātikaḷiṉ kaṭṭattal muyaṟciyaik kāvaltuṟaiyiṉar taṭuttuviṭṭārkaḷ
tiiviravaadingaḷooḍa kaḍattal moyarciye pooliis taḍuttuṭṭaanga
The police thwarted the attempts of the terrorists to hijack (the plane).