also: ふち
noun, noun which may take the genitive case particle 'no'
incurable; incurability
Used primarily in medical or figurative contexts to describe a disease or condition that cannot be cured. Often appears in the phrase 不治の病 (incurable disease).
彼は不治の病に冒されている。
He is afflicted with an incurable disease.
その医者は不治の患者を多く診てきた。
That doctor has treated many incurable patients.
Compound of 不 (not) and 治 (cure/heal). The reading ふじ is the standard on'yomi; ふち is a rare historical variant.