Word.ws English Dictionary

sunfast

sunfast adjective: colorfast in a way that will not fade in sunlight.

Adjective

sunfast (comparative more sunfast, superlative most sunfast)

  1. (US) Colorfast in a way that will not fade in sunlight.

Antonyms of sunfast

Forms of sunfast

comparativemore sunfast
superlativemost sunfast

Origin of sunfast

From sun + fast.

Words formed from sunfast

Questions about sunfast

What does sunfast mean?
Sunfast means colorfast in a way that will not fade in sunlight.
What part of speech is sunfast?
Sunfast is an adjective.

Words near sunfast in the dictionary

  1. Sundstroms
  2. Sundsvall
  3. sundubu
  4. sunepitron
  5. sunfall
  6. sunfast
  7. sunfastness
  8. sunfever
  9. sunfevers
  10. Sunfield
  11. sunfilled

Source and license

Adapted from Wiktionary: sunfast (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: “sunfast.” Word.ws, https://word.ws/sunfast. Based on Wiktionary, CC BY-SA 4.0.