Whether it was that the children were fickle, or that they had acute senses, and felt that Anna was quite different that day from what she had been when they had taken such a fancy to her, that she was not now interested in them,—but they had abruptly dropped their play with their aunt, and their love for her, and were quite indifferent that she was going away.
There are no more uses of "fickle" in the book.
Show samples from other sources
I can’t imagine depending upon the fickle wind to sail around the world.
We got the independent vote last time, but the independent vote is notoriously fickle.