She remembered the chemist’s warning against increasing the dose; and she had heard before of the capricious and incalculable action of the drug.
She had always consistently ignored the world of outer aspirants, or had recognized its individual members only when prompted by motives of self-interest; and the very capriciousness of her condescensions had, as Lily was aware, given them special value in the eyes of the persons she distinguished.
There are no more uses of "capricious" in the book.
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Nothing seems more capricious than a tornado.
The court overturned the ruling—describing it as having been made in a capricious manner.