colorfastness en · NOUN
Etymology
Etymology tree English colorfast Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English colorfastness From colorfast + -ness.
Meanings
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(uncountable, 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
| Spelling | Features | Labels | Source |
|---|---|---|---|
| colour fastness | alternative | lexicographic | |
| colourfastness | alternative | lexicographic | |
| colorfastnesses | Number=Plur | lexicographic |