Maniacal - definition of maniacal by The Free Dictionary 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
Maniacal - Definition, Meaning Synonyms | Vocabulary. com If someone is maniacal then they're behaving like a maniac Add an -ly to make it an adverb, and you get maniacally, as in "she's acting maniacally " The noun maniac is almost always used to describe people who do nutty things—serial killers, insane people on the street, crowds at soccer matches
maniacal - WordReference. com Dictionary of English ma•ni•ac (mā′ nē ak′), n a raving or violently insane person; lunatic any intemperate or overly zealous or enthusiastic person: a maniac when it comes to details adj maniacal