Word.ws English Dictionary

rainfast

rainfast adjective: that is not washed off by the rain.

Adjective

rainfast (comparative more rainfast, superlative most rainfast)

  1. That is not washed off by the rain

Forms of rainfast

comparativemore rainfast
superlativemost rainfast
alternative formrain-fast

Origin of rainfast

From rain + fast (“fixed firmly”, adjective, as in fast asleep).

Questions about rainfast

What does rainfast mean?
Rainfast means that is not washed off by the rain.
What part of speech is rainfast?
Rainfast is an adjective.

Words near rainfast in the dictionary

  1. Rainey's corpuscles
  2. Raineys
  3. rainfall
  4. rainfalls
  5. rainfallwise
  6. rainfast
  7. rainfed
  8. rainflow
  9. rainflows
  10. Rainford
  11. Rainford Junction

Source and license

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