Definition of 返す
- (v5s, vt) to return (something); to restore; to put back
お金は明日返すよ。
I'll give you back the money tomorrow. - to turn over; to turn upside down; to overturn
覚えてろよ。いつか借りを返してやるからな。
I will get even with you some day. Remember it. - to pay back; to retaliate; to reciprocate
- (suf, v5s) (after the -masu stem of a verb) to repeat ...; to do ... back