Keep up and To prolong

Keep up

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

To prolong and keep up are semantically related. In some cases you can replace phrase "To prolong" with "Keep up", this terms are similar.

To prolong

Definitions of Keep up not found.

Keep up and to prolong are semantically related. You can use "Keep up" instead a verb phrase "To prolong".
Cite this Source
To prolong and Keep up. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/keep_up/to_prolong
Keep up & To prolong. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/keep_up/to_prolong>.
To prolong or Keep up. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/keep_up/to_prolong.
Google Ngram Viewer shows how "keep up" and "to prolong" have occurred on timeline