Verb (5-dan, す, transitive)
1. to return (something); to restore; to put back
esp. 返す
2. to turn over; to turn upside down; to overturn
3. to pay back; to retaliate; to reciprocate
esp. 返す
4. to respond (with); to retort; to reply; to say back
Auxiliary verb (5-dan, す)
5. to do ... back (e.g. speak back, throw back)
after the -masu stem of a verb
6. to do again; to do repeatedly
after the -masu stem of a verb