Keep and Prolong

Keep

Keep verb - Allow to remain in a place or position or maintain a property or feature.

Usage example: Our grant has run out and we cannot keep you on

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Prolong and keep are semantically related. In some cases you can use "Prolong" instead a verb "Keep".

Nearby Words: keeping, keeper

Prolong verb - To make longer.

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Keep and prolong are semantically related. Sometimes you can use "Keep" instead a verb "Prolong".

Nearby Words: prolongation, prolonging

power	keep power	prolong power
life	keep life	prolong life
rest	keep rest	prolong rest
time	keep time	prolong time
Other words: game, story, magic, existence.

The sad part was that even if she had gotten help, all they could do was keep her alive and prolong her suffering.

Source: Your Days Are Numbered
Corrupt Corporate Executive: William Cross; he's willing to prolong the war to keep his company profiting.

Source: Series / Kings
You can even keep on purposely avoiding the Blue X to prolong the time it takes for them to stop the kamikaze attacks.

Source: Video Game / Metroid: Fusion

Cite this Source

Prolong and Keep. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/keep/prolong

Keep & Prolong. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/keep/prolong>.

Prolong or Keep. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/keep/prolong.

Google Ngram Viewer shows how "keep" and "prolong" have occurred on timeline