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ultrafast Synonyms

Another word for ultrafast

Choosing another word for ultrafast that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
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• adjective (Context 1)

Extremely fast; moving, operating, or occurring at an exceptionally high speed, especially in computing, telecommunications, or laser physics.

Usage Example

"The new fiber-optic network provides superfast internet speeds to rural communities."

Strongest
superfast
hyperfast
high-speed
lightning-fast
Strong
blistering
breakneck
rapid
Weak
swift

Opposites of ultrafast

The opposite of ultrafast shifts depending on context. Common opposites include:

ultraslow
sluggish
slow
crawling
leisurely
See all opposites of ultrafast

• Nearby Words

ultraexclusive
ultraexpensive
ultrafashionable
ultrafast
ultrafeminine
ultrafine
ultrahigh

Cite this Entry

Wordmom. (2026). Synonyms for Ultrafast. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/ultrafast
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