Grammar › N1 · 07 Possibility, necessity and limits
〜ないでもない: not entirely not ...; in a way
N1 · 07 Possibility, necessity and limits
Says that something is slightly true, with reserved feelings.
Verb ない-form + でもない. Hedged: "there is some of it". Often with 気持ち or 気がする: 分からないでもない. Weaker than a plain positive.
Examples
君の気持ちは、分からないでもない。
I can understand your feelings, to a certain extent.
彼の言い分にも、一理ないでもない。
There is some sense in his claim, too.