It was all very well for Anne, who was sure of passing at least, to have her moments of belittling them, but when your whole future depended on them—as the girls truly thought theirs did—you could not regard them philosophically.
There are no more uses of "belittle" in the book.
Show samples from other sources
The gradualness of the change does not belittle its importance.
He needs to learn to disagree without belittling his opponent.