Breadcrumb Home > Thesaurus > S Synonyms of sanctum Find synonyms for: Noun 1. sanctum, sanctum sanctorum, retreat usage: a place of inviolable privacy; "he withdrew to his sanctum sanctorum, where the children could never go" 2. holy place, sanctum, holy, topographic point, place, spot usage: a sacred place of pilgrimage WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sanctum (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: ennui Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language