Lightness and Luminosity

Lightness

Lightness noun - The quality or state of having or giving off light.
Usage example: the photographer was concerned that the lightness of the background would cast the main subject into shadow

Luminosity and lightness are semantically related in brightness topic. In some cases you can use "Luminosity" instead a noun "Lightness", when it comes to topics like luminance.

Luminosity

Luminosity noun - The quality or state of having or giving off light.
Usage example: the luminosity of the fireflies made for an enchanting nighttime show

Lightness and luminosity are semantically related in brightness topic. You can use "Lightness" instead a noun "Luminosity", if it concerns topics such as luminance.

Nearby Words: luminous, luminance, luminously
Cite this Source
Luminosity and Lightness. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lightness/luminosity
Lightness & Luminosity. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lightness/luminosity>.
Luminosity or Lightness. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lightness/luminosity.
Google Ngram Viewer shows how "lightness" and "luminosity" have occurred on timeline