Lightfast

//ˈlaɪtfæst// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Resistant to fading.

    "Verdigris is lightfast in oil paint, as numerous examples of fifteenth-century paintings show."

Synonyms

All synonyms
colorfastcolorfastnonfadingunfadeable

Example

More examples

"Verdigris is lightfast in oil paint, as numerous examples of fifteenth-century paintings show."

Etymology

From light + fast. Compare Icelandic litfast (“colourfast”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.