Breadcrumb Home > Thesaurus > M Synonyms of mourn Find synonyms for: Verb 1. mourn, grieve, sorrow usage: feel sadness; "She is mourning her dead child" 2. mourn, observe, celebrate, keep usage: observe the customs of mourning after the death of a loved one WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mourn (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: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language