Last Updated：2025/11/19

An insane person, especially one who suffers from a mania. / A fanatic, a person with an obsession.

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maniac

Source Word

maniac

IPA(Pronunciation)

Noun

An insane person, especially one who suffers from a mania. / A fanatic, a person with an obsession.

Japanese Meaning

狂人 / 熱狂的な人物 / 執着心の強い人物

She warned us to be careful because a maniac had been seen nearby.

彼女は近くで狂人が目撃されたので、気をつけるように私たちに警告した。

Sense（1）

An insane person, especially one who suffers from a mania.

She was driving like a maniac.

Sense（2）

A fanatic, a person with an obsession.

He's a manga maniac.

maniacs

（ plural ）