Breadcrumb Home > Thesaurus > E Synonyms of estoppel Find synonyms for: Noun 1. estoppel, rule of evidence usage: a rule of evidence whereby a person is barred from denying the truth of a fact that has already been settled WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of estoppel (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: oungurk Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language