Retard and Speed up

Opposite meaning terms

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

Usage example: an herbicide to retard the growth of weeds

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Speed up is an antonym for retard in slow down topic.

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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Retard is an antonym for speed up in topics: hurry, act, timing, make happen faster.

Cite this Source

Speed up and Retard. (2016). Retrieved 2023, March 27, from https://thesaurus.plus/related/retard/speed_up

Retard & Speed up. N.p., 2016. Web. 27 Mar. 2023. <https://thesaurus.plus/related/retard/speed_up>.

Speed up or Retard. 2016. Accessed March 27, 2023. https://thesaurus.plus/related/retard/speed_up.

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