/ Thesaurus / F Synonyms of flake out Find synonyms for: Verb1. fall asleep, dope off, flake out, drift off, nod off, drop off, doze off, drowse offusage: change from a waking to a sleeping state; "he always falls asleep during lectures"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language