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Related to last out: First in last out
to hold out; to endure. How long can you last out? I don't think we can last out much longer without food and water. the last roundup Fig. death. (Old West.) To everyone's surprise, he clutched the wound and faced the last roundup with a smile. When I know I'm headed for the last roundup, I'll write a will.
last something out
to endure until the end of something. Ed said that he didn't think he could last the opera out and left. He couldn't last out the first act.
1. To endure or survive for some period of time: The patient is comatose and won't last the night out. The recruit is determined to last out the training.
2. To continue to be in supply or service for some period of time: Our water supply is barely going to last the week out. I hope these old shoes can last out the month.