Expire
Expire verb - Lose validity.
Usage example: My passports expired last month
Run out is a synonym for expire in continue topic. In some cases you can use "Run out" instead a verb "Expire", when it comes to topics like come to an end, become invalid. popular alternative
Run out
Run out verb - Lose validity.
Mutual synonyms
Both terms in one sentence
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Unorthodox Example: When e-paper based readers run out of power, they often expire with an "out-of-power" message still on the screen since their displays require no power when static.
Source: Dies Wide Open -
There's also the fact that patents in Canada expire twenty years after the application, so the apparent age of the clones suggests that it would already have run out-assuming they actually went to the patent office and registered their cloning methods.
Source: Series / Orphan Black
Cite this Source
Run out and Expire. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/expire/run_out
Expire & Run out. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/expire/run_out>.
Run out or Expire. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/expire/run_out.
Google Ngram Viewer shows how "expire" and "run out" have occurred on timeline