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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.
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• 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
See all synonyms of superfast

Cite this Entry


Wordmom. (2026). Antonyms for Superfast. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/superfast
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