Find Antonyms
superfast Antonyms
Opposite of superfast
Because the opposite of superfast shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Moving, operating, or happening at an extremely high speed.
Usage Example
"The telecommunications company installed a slow fiber-optic network across the rural county."
Strongest
slow
sluggish
Strong
crawling
unhurried
• adverb (Context 2)
At an extremely high speed; very quickly.
Usage Example
"The new processor handles complex graphics rendering slowly."
Strongest
slowly
sluggishly
Strong
leisurely
Similar words to superfast
Words similar to superfast shift depending on context. Common synonyms include:
ultrafast
high-speed
lightning-fast
rapidly
swiftly
breakneck
quickly
speedily
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Superfast. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/superfast