i-adjective
indivisible; not divisible
Used in mathematical or logical contexts when a number cannot be divided evenly, or when something cannot be split cleanly.
7は3で割り切れない。
7 is not divisible by 3.
この問題は単純に割り切れない。
This problem cannot be divided up simply.
i-adjective
unconvincing; incomprehensible; not adding up
Describes a feeling that something doesn't make sense, isn't fully explained, or leaves a sense of dissatisfaction. Often used for emotional or logical situations that feel unresolved.
彼の説明はどうも割り切れない。
His explanation is somehow unconvincing.
気持ちが割り切れないまま帰った。
I went home with my feelings still unresolved.