ゆるまなくてもいう
弛まなくてもいい
yurumanakutemo iu

Godan Verb (mu)
i-Adjective

Expresses lack of necessity ("don't have to do") of たるむ

1. Don't have to relax.; Don't need to loosen.; It's okay if it doesn't loosen.

Negative
Permission
Usually Written in Kana