Keep back
Keep back verb - Keep under control; keep in check.
Prolong
Prolong verb - To make longer.
Keep back and prolong are semantically related. Sometimes you can use "Keep back" instead a verb "Prolong".
Nearby Words: prolongation, prolonging
Mutual synonyms
Cite this Source
Prolong and Keep back. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/keep_back/prolong
Keep back & Prolong. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/keep_back/prolong>.
Prolong or Keep back. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/keep_back/prolong.
Google Ngram Viewer shows how "keep back" and "prolong" have occurred on timeline