/ Thesaurus / M Synonyms of mother superior Find synonyms for: Noun1. abbess, mother superior, prioress, superiorusage: the superior of a group of nunsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language