ultraslow
adjective
ul·tra·slow
ˌəl-trə-ˈslō 
: moving with, exhibiting, or marked by extremely low speed : extremely or extraordinarily slow
ultraslow motion
Cite this Entry
“Ultraslow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultraslow. Accessed 6 Jul. 2025.
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