He had a lively perception of his own unfortunate state, and was always rubbing his eyes with the sleeve of his jacket, or stooping to blow his nose on the extreme corner of a little pocket-handkerchief, which he never would take completely out of his pocket, but always economized and secreted.
There are no more uses of "economize" in the book.
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She adjusted the thermostat as part of an effort to economize.
The school will have to economize, but hopefully without cutting teacher’s salaries.