noun
long-held opinion; old grudge
Literary or formal term for a deeply held opinion or lingering resentment from the past. Not common in casual speech.
彼は宿意を晴らすために長年準備を重ねた。
He spent years preparing to settle his old grudge.
その発言には彼の宿意がにじんでいた。
His long-held opinion was evident in that remark.