Breadcrumb Home > Dictionary > Index M mind-altering: Meaning and Definition of Find definitions for: mind-al•ter•ing Pronunciation: (mīnd'ôl"tur-ing), [key] — adj. causing marked changes in patterns of mood and behavior, as a hallucinogenic drug. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mind-altering (Thesaurus) mind Mindanao TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: bildungsroman Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language