How to Say "manic" in Spanish
The Spanish word for “manic” is “maníaco” — B2 level.

Examples
El paciente muestra un comportamiento maníaco hoy.
The patient is showing manic behavior today.
Es un maníaco de la limpieza; no puede ver ni una gota de agua.
He is a cleaning freak; he can't even see a drop of water.
Su risa maníaca nos puso muy nerviosos.
His manic laughter made us very nervous.
Describing People vs. Things
When describing a man or a masculine object, use 'maníaco'. For a woman or feminine object, change the ending to 'maníaca'.
Medical vs. Informal Use
This word can describe a medical condition (like bipolar disorder) or just someone who is very intense or obsessive about a specific hobby or habit.
Accent Placement
Mistake: “maniaco”
Correction: maníaco (In most regions, the accent is required on the 'í' to emphasize the middle syllable).
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