/ Thesaurus / S Synonyms of septuagesima sunday Find synonyms for: Noun1. Septuagesima, Septuagesima Sunday, Christian holy dayusage: the 3rd Sunday before Lent (or the 9th before Easter)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language