"It’s a pity she ever married abroad then," said May, in the placid tone with which her mother met Mr. Welland’s vagaries; and Archer felt himself gently relegated to the category of unreasonable husbands.
There are no more uses of "vagary" in the book.
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After nine hours of listening to the vagaries of Old Sarum’s inhabitants, Judge Taylor threw the case out of court on grounds of frivolous pleading and declared he hoped to God the litigants were satisfied by each having had his public say.
Harper Lee -- Go Set a Watchman
I was considering what she had suggested about our pretending to be other people, like figures in a Western novel, imagining how we could somehow exist outside of this place and time and circumstance, share instead the minute and sordid problems of such folks, the vagaries and ornate dramas of imperfect love.