noun
terrible worry; extreme anxiety
A rare yojijukugo expressing deep mental anguish and worry. Found mainly in literary or classical contexts; not used in everyday conversation.
彼の胸中は疾痛惨憺たる思いで満ちていた。
His heart was filled with terrible worry and anguish.
A yojijukugo of classical Chinese origin, combining characters for pain, grief, and anxiety. The exact historical derivation is uncertain, but it is used in literary Japanese to describe profound mental distress.