うつ病・鬱病|うつびょうutsubyou[0]heiban (flat)

1. noun, medicinedepression
   彼かれは最近さいきん、うつ病びょうを患わずらい、仕事しごとに支障ししょうが出でている。↗

   He has been suffering from depression recently, which is interfering with his work.

• SynonymデプレッションWrittenA loanword for depression that also covers economic slumps; mostly in specialist written texts, rare in everyday speech.
• Synonym抑うつ症よくうつしょうFormalA formal medical term for clinical depression; close in meaning to 「うつ病」 but more technical.
• Related憂鬱ゆううつNeutralNeutral and common in daily use; it points to a temporary gloomy mood, not an illness.
• Related意気消沈いきしょうちんWrittenA written four-character idiom for dejection; it stresses being crestfallen after disappointment, not a mental illness.
• Related抑鬱よくうつWrittenA written medical term for a depressed state; it stresses low mood as a symptom rather than naming the disease.
• Related気鬱症きうつしょうWrittenAn older term for a listless, low-spirited state; 「うつ病」 is the proper medical name for the disease.
• Related意気阻喪いきそそうWrittenA written idiom for being disheartened; it stresses the loss of courage rather than any illness.
• Related沈鬱ちんうつWrittenA written word for gloom; it describes a gloomy expression or atmosphere rather than the illness.
• Related鬱気うっきWrittenA rare written word for a gloomy mood; not a name for the illness.

For the illness, use 「うつ病」, as in 「うつ病と診断される」. A passing low mood is 「憂鬱」; low mood as a medical symptom is 「抑鬱」; dejection after a setback is 「意気消沈」. 「抑うつ症」 is a formal clinical synonym and 「デプレッション」 a loanword for specialist texts; 「気鬱症」「意気阻喪」「沈鬱」「鬱気」 are written or dated words for gloom, not the disease.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 憂鬱ゆううつ感かんや焦燥感しょうそうかん、睡眠すいみん障害しょうがい、食欲しょくよく減退げんたいなどの症状しょうじょうを示しめす精神疾患せいしんしっかん。