/ Thesaurus / E Synonyms of ember day Find synonyms for: Noun1. Ember Day, Christian holy dayusage: a day set aside for fasting and prayerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language