maniacal


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ma·ni·a·cal

 (mə-nī′ə-kəl) also ma·ni·ac (mā′nē-ăk′)
adj.
1. Suggestive of or afflicted with extreme mental derangement: a maniacal frenzy.
2. Characterized by excessive enthusiasm or excitement: a maniacal interest in gambling.
3. Wildly irresponsible: maniacal drivers.

ma·ni′a·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

maniacal

(məˈnaɪəkəl)
adj
1. (Psychiatry) affected with or characteristic of mania
2. characteristic of or befitting a maniac: maniacal laughter.
maˈniacally adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ma•ni•a•cal

(məˈnaɪ ə kəl)

adj.
of or pertaining to mania or a maniac.
[1670–80]
ma•ni′a•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.maniacal - wildly disorderedmaniacal - wildly disordered; "a maniacal frenzy"
insane - afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

maniacal

manic
adjective crazed, mad, crazy (informal), insane, wild, raving, frenzied, neurotic, lunatic, psychotic, demented, unbalanced, nutty (slang), deranged, berserk, gonzo (slang) She is hunched over the wheel with a maniacal expression.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

maniacal

adjective
Afflicted with or exhibiting irrationality and mental unsoundness:
Informal: bonkers, cracked, daffy, gaga, loony.
Chiefly British: crackers.
Idioms: around the bend, crazy as a loon, mad as a hatter, not all there, nutty as a fruitcake, off one's head, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations

maniacal

[məˈnaɪəkəl] ADJmaníaco
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

maniacal

adjwahnsinnig
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

maniacal

[məˈnaɪəkl] adj (behaviour) → da folle
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
And then John Barleycorn played me his maniacal trick.
Finally all the hatred and maniacal loathing for these awful creatures who had placed me in this horrible place was centered by my tottering reason upon this single emissary who represented to me the entire horde of Warhoons.
From the dense jungles upon either side came the weird night cries of the carnivora--the maniacal voice of the hyena, the coughing grunt of the panther, the deep and awful roar of the lion.
He could not conceive their maniacal desires to cross the streets.
For a moment the bundle remained motionless--only the sound of breathing issued from it, then there broke from it a maniacal laugh.
It came from the fang -- like teeth of the dwarf, who ground them and gnashed them as he foamed at the mouth, and glared, with an expression of maniacal rage, into the upturned countenances of the king and his seven companions.
He saw that neither threats nor pleas would avail him and so he prepared to fight as a cornered rat fights for its life with all the maniacal rage, cunning, and ferocity that the first law of nature imparts to many beasts.
Kick and squirm as I would, I could neither turn toward my antagonist nor free myself from his maniacal grasp.
Von Horn was a brave man, but he shuddered at the maniacal ferocity of the older man, and shrank back.
She looked up, expecting to see the maniacal light of murder in the eyes above her.
Then they struck up a frantic dance, with maniacal gestures, idiotic stampings, and somersaults like those of the boneless clowns in the circus.
Everywhere was tumult, exultation, deafening and maniacal bewilderment, astounding noise, yet furious dumb-show.