To continue in use or existence long enough to survive (something else):
To be left as still to be dealt with:
To live, persist, or remain usable through:
To refuse to give up, esp. when faced with opposition or difficulty; continue firmly or steadily
Lose is defined as to wind up without something or to fail in a competition.
To omit to perform (an expected duty, for example):
To carry on; persist in:
Find another word for outlast. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for outlast, like: outlive, outwear, remain, endure, survive, persist, prevail, shoot, peter-out, fall-apart and lose.