Prolong
Prolong verb - Lengthen or extend in duration or space.
Usage example: prolong the treatment of the patient
Preserve and prolong are semantically related In some cases you can use "Preserve" instead a verb "Prolong".
Nearby Words: prolongation, prolonging
Mutual synonyms
Common collocations
Cite this Source
Preserve and Prolong. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/prolong/preserve
Prolong & Preserve. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/prolong/preserve>.
Preserve or Prolong. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/prolong/preserve.
Google Ngram Viewer shows how "prolong" and "preserve" have occurred on timeline