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Showing results for maniacal. Search instead for maniaca.
Definitions

maniacal

[muh-nahy-uh-kuhl] / məˈnaɪ ə kəl /
ADJECTIVE
insane
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

O’Leary, who is maniacal about keeping costs down, didn’t want to add Starlink because of the fuel penalty.

From Barron's • Jan. 21, 2026

This latest collection spans from mild to maniacal.

From The Wall Street Journal • Nov. 20, 2025

Oscar nominee Columbus introduced audiences to the mysterious and maniacal ways of the Mogwai — furry, wide-eyed bipeds with giant ears — with the release of “Gremlins” in 1984.

From Los Angeles Times • Nov. 6, 2025

But there’s a deeper reason why recently he’s sounding even more maniacal.

From Salon • Oct. 3, 2025

Mr. Weasley gave a maniacal laugh; Mrs. Weasley threw him a look, upon which he became immediately silent and assumed an expression appropriate to the sickbed of a close friend.

From "Harry Potter and the Deathly Hallows" by J.K. Rowling