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Related to last out: First in last out
1. To remain, hold out, or endure until the end (of something). A noun or pronoun (referring to the specific thing or period of time one can or cannot endure) can be used between "last" and "out." I haven't properly exercised in over a year, so I don't know how long I'll last out on this run! There's no way the kids will last the entire service out. A lot of would-be athletes can't last out the training camp we run at the start of the season.
2. To remain available, serviceable, or in supply. I don't think the food will last out for the entire party. I just hope my computer lasts out until I get my next pay check.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.