If Mr. Tulliver had ever seriously injured or thwarted the attorney, Wakem would not have refused him the distinction of being a special object of his vindictiveness.
She rebelled against her lot, she fainted under its loneliness, and fits even of anger and hatred toward her father and mother, who were so unlike what she would have them to be; toward Tom, who checked her, and met her thought or feeling always by some thwarting difference,—would flow out over her affections and conscience like a lava stream, and frighten her with a sense that it was not difficult for her to become a demon.
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.