But her father had expected this, and he was not constrained to set down her intellectual limitations as a tourist to sentimental depression; she had completely divested herself of the characteristics of a victim, and during the whole time that they were abroad she never uttered an audible sigh.
There are no more uses of "constrained" in the book.
Show samples from other sources
...it is very grievous to be constrained to keep our hands off such a dainty dish as Narnia.
C.S. Lewis -- The Horse and His Boy
It seemed that we were all cloaked in an unwelcome garment of racial difference that constrained, confined, and restricted us.