What are the opposite words for quicken?

Antonyms are words that have opposite meanings to the given word. The word "quicken," which means to speed up, has several antonyms. One of its antonyms is "slow down," which means to decrease the speed or pace of something. Another antonym is "delay," which means to make someone or something wait or hold back. "Halt" is another antonym for quicken, which means to come to a stop or cease moving. Similarly, "retard" means to slow down the progress or growth of something. Lastly, "decelerate" is an antonym that refers to decreasing the speed or rate of something. Knowing these antonyms helps to articulate communication and better understand the context around the usage of the word quicken.

Antonym of the day

un-friendlinesses
Antonyms:
accord, affection, agreement.