last out

Related to last out: First in last out

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.
See also: last, out
Farlex Dictionary of Idioms.

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.
See also: last, out

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.
See also: last, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

last out

v.
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.
See also: last, out
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • tough something out
  • angle
  • angling
  • not do (someone or oneself) any favors
  • ask back
  • involve with
  • involve with (someone or something)
  • involved with
  • arrange for
  • arrange some music for