thwart


thwart
thwart [θwo:t US θwo:rt] v [T] formal
[Date: 1300-1400; Origin: thwart 'across' (13-19 centuries), from Old Norse thvert]
to prevent someone from doing what they are trying to do
Fierce opposition thwarted the government's plans.
thwarted ambition

Dictionary of contemporary English. 2013.

Synonyms: