Slow up and Speed

Opposite meaning terms

Slow up verb - Lose velocity; move more slowly.

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Speed is an antonym for slow up in hinder topic.

Speed verb - To proceed or move quickly.

Usage example: a bullet train speeding across the lush countryside

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Slow up is an antonym for speed.

Nearby Words: speedy, speeding, speeded, speeder, speedway

Cite this Source

Speed and Slow up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/slow_up/speed

Slow up & Speed. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/slow_up/speed>.

Speed or Slow up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/slow_up/speed.

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