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maniacal

ma·ni·a·cal

adj \mə-ˈnī-ə-kəl\

Definition of MANIACAL

: affected with or exhibiting insanity : mad, insane <a maniacal killer>

—ma·ni·a·cal·ly \mə-ˈnī-ə-k(ə-)lē\ adverb

Variants of MANIACAL

ma·ni·a·cal also ma·ni·ac \ˈmā-nē-ak\

Learn More About MANIACAL

Dictionary: Definition of "maniacal"

Thesaurus: All synonyms and antonyms for "maniacal"

Spanish-English Dictionary: Translation of "maniacal"

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maniacal

ma·ni·a·cal

Definition of MANIACAL

Variants of MANIACAL

Learn More About MANIACAL

Test Your Vocabulary

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maniacal

ma·ni·a·cal

Definition of MANIACAL

Variants of MANIACAL

Learn More About MANIACAL

Test Your Vocabulary

Name That Thing

True or False?

Join Us on FB & Twitter

Get Our Free Apps

The Merriam-Webster

Unabridged Dictionary

Learning English?

We can help.

Our Dictionary,On Your Devices

Visit Our Store

Join Us

Bookstore: Digital and Print

Other Merriam-Webster Dictionaries

Our Dictionary,
On Your Devices