Word.ws English Dictionary

ultra-fast

ultra-fast is the alternative form of ultrafast.

Meaning of ultrafast

Adjective

ultrafast (comparative more ultrafast, superlative most ultrafast)

  1. Very fast, or of very short duration; especially concerning events that take place in femtosecond or picosecond timescales.

Origin of ultra-fast

From ultra- + fast.

Words formed from ultra-fast

Questions about ultra-fast

What is ultra-fast the alternative form of?
Ultra-fast is the alternative form of ultrafast.

Words near ultra-fast in the dictionary

  1. ultra-darwinist
  2. ultra-darwinists
  3. ultra-diffuse
  4. ultra-empirical
  5. ultra-excessive
  6. ultra-fast
  7. ultra-fast fashion
  8. ultra-high
  9. ultra-horny
  10. ultra-hot jupiter
  11. ultra-hot jupiters

Source and license

Adapted from Wiktionary: ultra-fast (page history and authors); ultrafast (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “ultra-fast.” Word.ws, https://word.ws/ultra-fast. Based on Wiktionary, CC BY-SA 4.0.