Japanese DictionaryDefinition of なくても良い
- (exp) (after neg. stem of verb) need not (verb); (not) have to; expressing absence of obligation or necessity
わざわざ彼を訪ねて行かなくてもよい。
Don't bother to call on him. - need not have; need not exist
あなたは明日、車がなくてもいいかしら。私、車が必要なの。
Can you do without the car tomorrow? I need it.