/ Thesaurus / P Synonyms of passover supper Find synonyms for: Noun1. Seder, Passover supper, supperusage: (Judaism) the ceremonial dinner on the first night (or both nights) of PassoverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language