/ Thesaurus / E Synonyms of easter sunday Find synonyms for: Noun1. Easter Sunday, Easter Day, Christian holy dayusage: the day (in March or April) on which the festival of Easter is celebratedWordNet 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