An example of thwart is when you catch your kids in the process of sneaking out.
They thwarted her plans.
The fisherman sat on the aft thwart to row.
Origin of thwart
- Middle English thwerten from thwert across from Old Norse thvert neuter of thverr transverse terkw- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Old Norse Ã¾vert "˜across', originally neut. of thverr (transverse, across), cognates include Old English Ã¾weorh (transverse, perverse, angry, cross), Danish tvÃ¦r, Gothic ðŒ¸ð…ðŒ°ðŒ¹ð‚ðƒ (Ã¾waÃrs, “angry"), Dutch dwars (cross-grained, contrary), German quer, from Proto-Germanic *Ã¾werhaz, altered by influence of Proto-Germanic *Ã¾weranÄ… (to turn) from Proto-Germanic *Ã¾erh-, from Proto-Indo-European *twork-/*twerk- (twist).