JLPT N1

～なくもない

it's not that ~ isn't possible; there is some possibility of ~

Item 249 of 358

Structure / Usage

Verb (ない-stem) + なくもない / Adj + なくもない

彼の言うことも分からなくもないが、賛成はできない。

I can somewhat understand what he says, but I can't agree.

条件次第では、引き受けなくもない。

Depending on the conditions, it's not impossible that I'd take it on.