There are many ways to say "curtail expenses" that can spice up your writing or conversation. Synonyms for the phrase include "reduce expenses," "cut down on costs," "limit spending," "trim the budget," "minimize expenditures," "shrink outlays," "downsize consumption," "decrease overhead," "lessen disbursements," "curb outflow," "diminish bills," and "lower outlays." Whether you're writing a financial report, discussing money-saving strategies, or trying to be more frugal in your personal life, these synonyms for "curtail expenses" can help you get your point across in a more interesting and creative way.