Extend and Keep up

Extend

Extend verb - To make longer.

Keep up and extend are semantically related. In some cases you can use "Keep up" instead a verb "Extend".

Keep up

Keep up verb - To continue to operate or to meet one's needs.

Extend and keep up are semantically related. Sometimes you can use "Extend" instead a verb "Keep up".
Cite this Source
Keep up and Extend. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/extend/keep_up
Extend & Keep up. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/extend/keep_up>.
Keep up or Extend. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/extend/keep_up.
Google Ngram Viewer shows how "extend" and "keep up" have occurred on timeline