Speed up and Slow

Opposite meaning terms

Speed up verb - To cause to move or proceed fast or faster.

Usage example: we have to speed up production if we are ever going to make the deadline

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Slow is an antonym for speed up in topics: hurry, act, alleviate, accelerate, incite.

Slow verb - To cause to move or proceed at a less rapid pace.

Usage example: if you don't slow your delivery down a bit, your speech will be over too soon

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Speed up is an antonym for slow in topics: delay, accelerate.

Nearby Words: slowness, slowed, slowly, slowing, slowdown

Cite this Source

Slow and Speed up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/speed_up/slow

Speed up & Slow. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/speed_up/slow>.

Slow or Speed up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/speed_up/slow.

Google Ngram Viewer shows how "speed up" and "slow" have occurred on timeline