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luminosity Synonyms
Another word for luminosity
Choosing another word for luminosity depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• noun (Context 1)
The quality or condition of emitting or reflecting bright light; radiance or brilliance.
Usage Example
"The artist used thin glazes of oil paint to give the portrait a remarkable brightness."
Strongest
brightness
radiance
brilliance
Strong
incandescence
luminescence
luster
effulgence
glow
• noun (Context 2)
In astronomy, the intrinsic brightness of a celestial object, measured as the total amount of energy it radiates per unit of time.
Usage Example
"Astronomers calculate the distance to certain variable stars by comparing their intrinsic magnitude to their apparent brightness."
Strong
magnitude
Opposites of luminosity
The opposite of luminosity shifts depending on context. Common opposites include:
darkness
dimness
dullness
gloom
obscurity
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Luminosity. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/luminosity