lightfastness

L1I1G2H4T1F4A1S1T1N1E1S1S1

noun

The quality or degree of being lightfast.

RareScrabble 20
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounlightfastness (countable and uncountable, plural lightfastnesses)

plural lightfastnesses

  1. countableuncountableThe quality or degree of being lightfast.

Origin

From lightfast + -ness.

Full word history & related roots →
Cite this entry
APA

lightfastness. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/lightfastness

MLA

“lightfastness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lightfastness. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “lightfastness,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/lightfastness.

Source: lightfastness on Wiktionary, CC BY-SA 4.0.