Breadcrumb Home > Thesaurus > H Synonyms of hoover dam Find synonyms for: Noun1. Hoover Damusage: a large dam built in 1933 on the Colorado River in NevadaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: tatterdemalion Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language