i-adjective
Describes a bond or connection that cannot be broken; often used for deep relationships, shared fate, or indivisible concepts.
彼らは分かちがたい友情で結ばれている。
They are bound by an inseparable friendship.
自由と責任は分かちがたいものだ。
Freedom and responsibility are inseparable.
More colloquial and vivid, literally 'can't cut even if you cut'; emphasizes an unbreakable connection, often used for relationships or ties.
A formal Sino-Japanese compound meaning 'indivisible' or 'inseparable', used in academic or technical contexts.
Compound of 分かち (continuative form of 分かつ, 'to divide') + がたい ('difficult to do'). The form がたい is an older, more formal suffix meaning 'hard to' or 'cannot'.