Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun internal_revenue_service
1 sense of internal revenue service
Sense 1
Internal Revenue Service, IRS -- (the bureau of the Treasury Department responsible for tax collections)
=> agency, federal agency, government agency, bureau, office, authority -- (an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority")