To set out again or to come back at a later time; can also mean to try again or return with a changed attitude.
もう一度準備してから出直ることにした。
I decided to prepare once more and come back later.
担当者が不在だったので、明日改めて出直ります。
The person in charge was absent, so I'll come back again tomorrow.
上司に叱られたので、態度を正して出直るつもりだ。
I was scolded by my boss, so I intend to correct my attitude and start over.