# Without ## ないで Means "without doing". Formed with a verb in the negative tense (ない). It is a bit more casual than ずに. > [!info] Example > {勉強|べんきょう}し==ないで=={卒業|そつぎょう}した。 > I graduated without studying. ## ずに Means "without doing". Formed with a verb in the negative tense (ない) by removing the -ない stem and adding ずに. する transforms to せずに. It is a bit more formal than ないで. > [!info] Example > 毎日食べ==ずに==出かける。 > Everyday, I go out without eating.