To the high mountain peaks of faith and sanctity he would have climbed, had not the tendency been thwarted by the burden, whatever it might be, of crime or anguish, beneath which it was his doom to totter.
These outbreaks of a fierce temper had a kind of value, and even comfort for the mother; because there was at least an intelligible earnestness in the mood, instead of the fitful caprice that so often thwarted her in the child’s manifestations.
There are no more uses of "thwart" in the book.
Show samples from other sources
"I assume you did it to thwart me," Ty said.
Cassandra Clare -- City of Heavenly Fire
The time spent denying coverage, arguing, dismissing, thwarting—surely it was more trouble than simply granting her parents access to the right care.