Do over Definition 1 of 2Pro Tip 1/3Mistake Correction Use 'do over' when fixing a mistake or improving a past attempt. My cake collapsed, so I need to do it over. Pro Tip 2/3Second Chance 'Do over' implies getting another opportunity to try something. I’m grateful I can do the interview over. Pro Tip 3/3Start Anew It means starting from scratch, not just making small changes. This draft is wrong; we have to do the whole thing over.