/ Thesaurus / S Synonyms of set in stone Find synonyms for: Adjective1. set in stone, carved in stone, unchangeable (vs. changeable)usage: no longer changeable; "the agreement is not yet set in stone"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language