Breadcrumb Home > Dictionary > Index M maniacal: Meaning and Definition of Find definitions for: ma•ni•a•cal Pronunciation: (mu-nī'u-kul), [key] — adj. of or pertaining to mania or a maniac. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: maniacal (Thesaurus) maniac manic TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: foison Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language