/ Thesaurus / W Synonyms of william henry hoover Find synonyms for: Noun1. Hoover, William Hoover, William Henry Hooverusage: United States industrialist who manufactured vacuum cleaners (1849-1932)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language