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- DictionaryMa·ni·ac/ˈmānēˌak/
noun
- 1. a person exhibiting extreme symptoms of wild behavior, especially when violent and dangerous: "a homicidal maniac"
- 2. a person suffering from mania. archaic
Mania, also known as manic syndrome, is a mental and behavioral disorder [1] [2] defined as a state of abnormally elevated arousal, affect, and energy level, or "a state of heightened overall activation with enhanced affective expression together with lability of affect." [3] .
Definitions of maniac. noun. an insane person. synonyms: lunatic, madman. see more. noun. a person who has an obsession with or excessive enthusiasm for something. see more. adjective. wildly disordered. synonyms: maniacal. insane. afflicted with or characteristic of mental derangement. Cite this entry. Style: MLA. "Maniac."
4 days ago · 1. countable noun. A maniac is a mad person who is violent and dangerous . The cabin looked as if a maniac had been let loose there. ...a drug-crazed maniac. 2. adjective [ADJECTIVE noun] If you describe someone's behaviour as maniac, you are emphasizing that it is extremely foolish and uncontrolled . [emphasis]
Definition of maniac adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
maniac, adj. & n. meanings, etymology and more | Oxford English Dictionary. maniac adjective noun. Meaning & use. 1. 2. adjective. 1.a. 1526–. Of, relating to, or characterized by mania; belonging to or characteristic of a maniac. 1526. They that vseth it to moche comynly fall in the manyake passyon. Grete Herball cvii. sig. Giii/1. 1728.
maniac meaning: someone who behaves in an extreme or uncontrolled way: . Learn more.
maniac. noun. /ˈmeɪniæk/ (informal, sometimes offensive) a person who behaves in a dangerous, violent or wild way and who you think is crazy or strange The use of the word maniac to refer to somebody who has a mental illness is offensive. synonym madman. He was driving like a maniac. a homicidal/knife-wielding maniac. Topics Danger c2.