Last Updated：2025/11/23

(uncountable, psychiatry) The property of being mentally ill; mental disorders taken as a whole. / (countable, psychiatry) A mental disorder.

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mental illness

Source Word

mental illness

uncountable countable

Japanese Meaning

（不可算の場合）精神障害全体、精神的な病の性質 / （可算の場合）精神疾患、精神障害

Her years of struggling with mental illness taught her empathy for others.

長年精神疾患と闘ってきたことで、彼女は他人への共感を学んだ。

Sense（1）

(uncountable, psychiatry) The property of being mentally ill; mental disorders taken as a whole.

Sense（2）

(countable, psychiatry) A mental disorder.

Epilepsy is not a mental illness. It is caused by electrical changes in the brain.

mental illnesses

（ plural ）