adjective🔗Share特発性の、原因不明のOf, relating to, or designating a disease or condition having no known cause."My grandmother suffers from idiopathic arthritis, meaning the doctors don't know what caused her joint pain. "私の祖母は特発性関節炎を患っており、医者は彼女の関節の痛みの原因がわからないという意味です。medicinediseaseconditionscienceChat with AIVocabulary GamePractice Reading