Brightness

/ˈbraɪt.nəs/

Meaning & Definition

noun
the quality or state of being bright; the level of light emitted or reflected.
The brightness of the sun made it difficult to see without sunglasses.
the intensity of light or color; luminous quality.
The artist admired the brightness of the colors in the sunset.
the degree of brightness displayed on a screen or by a surface.
You can adjust the brightness of your computer monitor for better visibility.

Etymology

Middle English; from 'bright' + '-ness', meaning the state of being bright.

Common Phrases and Expressions

brightness of day
The time of day when sunlight is at its peak.
the brightness of a star
Refers to how visible a star is from Earth.
turn down the brightness
To lower the intensity of light emitted from a screen or source.

Related Words

bright
Radiating or reflecting light; vivid.
illuminance
The amount of light incident on a surface.
radiant
Sending out light; shining or glowing.

Slang Meanings

High energy or enthusiasm.
Her brightness is contagious at parties.
Being clever or quick-witted.
That guy is really brightness; he always knows the answer.