[muh-nahy-uh-kuh l]
See more synonyms for maniacal on

Origin of maniacal

First recorded in 1670–80; maniac + -al1
Related formsma·ni·a·cal·ly, adverbpost·ma·ni·a·cal, adjectivepre·ma·ni·a·cal, adjectivesub·ma·ni·a·cal, adjectivesub·ma·ni·a·cal·ly, adverbun·ma·ni·a·cal, adjectiveun·ma·ni·a·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for maniacally

Contemporary Examples of maniacally

British Dictionary definitions for maniacally


maniac (ˈmeɪnɪæk)

  1. affected with or characteristic of mania
  2. characteristic of or befitting a maniacmaniacal laughter
Derived Formsmaniacally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for maniacally



1670s, from maniac (adj.) + -al (1). Related: Maniacally.

Online Etymology Dictionary, © 2010 Douglas Harper

maniacally in Medicine


  1. Suggestive of or afflicted with insanity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.