Prolong and Reduce speed

Opposite meaning terms

Prolong verb - To make longer.

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Reduce speed is an antonym for prolong.

Nearby Words: prolongation, prolonging

Definitions of Prolong not found.

Prolong is an antonym for reduce speed in delay topic.

Cite this Source

Reduce speed and Prolong. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/prolong/reduce_speed

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

Reduce speed or Prolong. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/prolong/reduce_speed.

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