On his first appearance—when her improvident cousin, Jack Stepney, had obtained for him (in return for favours too easily guessed) a card to one of the vast impersonal Van Osburgh "crushes"—Rosedale, with that mixture of artistic sensibility and business astuteness which characterizes his race, had instantly gravitated toward Miss Bart.
There are no more uses of "improvident" in the book.
Show samples from other sources
Her parents worked hard, but were improvident.
But I also spoke to you of a certain extravagance in the female blood of this family. Something willful. Improvident.