Extend
Extend verb - To make longer.
Keep alive and extend are semantically related. In some cases you can use "Keep alive" instead a verb "Extend".
Keep alive
Extend and keep alive are semantically related. Sometimes you can use "Extend" instead a verb phrase "Keep alive".
Cite this Source
Keep alive and Extend. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extend/keep_alive
Extend & Keep alive. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extend/keep_alive>.
Keep alive or Extend. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extend/keep_alive.
Google Ngram Viewer shows how "extend" and "keep alive" have occurred on timeline