/ Thesaurus / C Synonyms of customshouse Find synonyms for: Noun1. customhouse, customshouse, government buildingusage: a government building where customs are collected and where ships are cleared to enter or leave the countryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language