last out v. 1. To be enough until the end of.
There is enough food in the house to last out the snowstorm. Our candies won't last out the night. 2. To continue to the end of; continue to live after; live or go through.
The old man is dying; he won't last out the night. This car will never last out the winter. Compare: HOLD OUT.
[TahlilGaran] English Idioms Dictionary ▲