Whether it was the "captain’s" excited face, or the foolish conviction of the "rake and spendthrift," that he, Samsonov, could be taken in by such a cock-and-bull story as his scheme, or his jealousy of Grushenka, in whose name this "scapegrace" had rushed in on him with such a tale to get money which worked on the old man, I can’t tell.
There are no more uses of "spendthrift" in the book.
Show samples from other sources
She has a reputation as a spendthrift.
"You, my little countess, are a notorious spendthrift," said the count, and having kissed his wife’s hand he went back to his study.