/ Thesaurus / S Synonyms of slop pail Find synonyms for: Noun1. slop pail, slop jar, bucket, pailusage: a large pail used to receive waste water from a washbasin or chamber potWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language