なくてもいい・なくてもよい

なくても良い

表記・読み：無くても良い・なくてもいい・なくてもよい

1. 1

   need not; (not) have to

   expressions (phrases, clauses, etc.)after neg. stem of verb or adjective, expressing absence of obligation or necessityword usually written using kana alone
2. 2

   need not have; need not exist

   expressions (phrases, clauses, etc.)word usually written using kana alone