Word.ws English Dictionary

colourfastness

colourfastness is the alternative spelling of colorfastness.

Meaning of colorfastness

Noun

colorfastness (usually uncountable, plural colorfastnesses)

  1. (usually) The characteristic of being colorfast.
    • I have had less success with colorfastness when using plants grown indoors in winter under grow lights versus the same plants used in the height of summer.2026, Stefanie Johnson, “Speckles and Tonals”, in Spin Off, volume L, number 1, page 51

Forms of colourfastness

alternative formcolour fastness

Questions about colourfastness

What is colourfastness the alternative spelling of?
Colourfastness is the alternative spelling of colorfastness.

Words near colourfastness in the dictionary

  1. colourer
  2. colourers
  3. colourest
  4. coloureth
  5. colourfast
  6. colourfastness
  7. colourful
  8. colourful bluetail
  9. colourful bluetails
  10. colourfull
  11. colourfully

Source and license

Adapted from Wiktionary: colourfastness (page history and authors); colorfastness (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: “colourfastness.” Word.ws, https://word.ws/colourfastness. Based on Wiktionary, CC BY-SA 4.0.