Breadcrumb Home > Thesaurus > M Synonyms of mystery Find synonyms for: Noun 1. mystery, enigma, secret, closed book, perplexity usage: something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature's secrets" 2. mystery, mystery story, whodunit, story usage: a story about a crime (usually murder) presented as a novel or play or movie WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mystery (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language