English dictionary



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English noun: brightness

1. brightness (attribute) the location of a visual perception along a continuum from black to white


Broader (hypernym)light, lightness


Narrower (hyponym)blaze, brilliance, brilliancy, dazzle, effulgence, flash, glare, glint, glisten, glister, glitter, iridescence, luster, lustre, opalescence, radiance, radiancy, refulgence, refulgency, scintillation, shine, sparkle, splendor, splendour


Antonymsdullness

2. brightness (cognition) intelligence as manifested in being quick and witty


Synonymscleverness, smartness


Broader (hypernym)intelligence

3. brightness (attribute) the quality of being luminous; emitting or reflecting light


SamplesIts luminosity is measured relative to that of our sun.


Synonymsbrightness level, light, luminance, luminosity, luminousness


Broader (hypernym)physical property


Narrower (hyponym)glow, illuminance, illumination, incandescence, luminescence


Attributebright, dull









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