/ Thesaurus / Z Synonyms of zizz Find synonyms for: Noun1. zizz, soundusage: a buzzing or whizzing sound; "a nasty zizz in the engine"2. zizz, nap, catnap, cat sleep, forty winks, short sleep, snoozeusage: a nap; "Arthur's taking a short zizz"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language