adjective
- resistant to fading when exposed to light
Usage: technical; art and photography
Examples
- The museum uses only lightfast pigments in its restoration work.
- These lightfast inks will maintain their color for decades.
- The artist chose lightfast watercolors to ensure the painting’s longevity.
- Lightfast materials are essential for archival photography.
- The fabric’s lightfast dyes won’t fade in direct sunlight.
- Professional artists invest in lightfast paints despite the higher cost.