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Definition of brightness

brightness

/ˈbɹaɪt.nəs/
bright · ness
Adverb:brightly
•
Plural:brightnesses
•
Adjective:bright
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brightness Lexical Profile

brightness Game Scores & Validity

• noun

1

The quality or state of giving out or reflecting a great deal of light; intensity of illumination.

Example

"She lowered the brightness on her computer screen to reduce eye strain during the late-night study session."

2

The quality of being vivid, bold, and saturated in color.

Example

"Washing the fabric in cold water helps preserve the brightness of the dyes over time."

3

Liveliness, cheerfulness, or a positive, spirited disposition.

Example

"The brightness of her smile immediately put the nervous interviewees at ease."

4

Quickness of mind; intelligence and mental sharpness.

Example

"The young chess prodigy demonstrated remarkable brightness by solving the complex endgame puzzle in seconds."

Synonyms
View all synonyms for brightness
Antonyms
View all antonyms for brightness

• Rhymes for brightness

• Nearby Words

brightener
brightish
brightly
brightness
brights
brigid
brill

Word Origin & Etymology

From Old English 'beorhtnes', meaning splendor or clearness, formed from the root 'beorht' (bright) and the noun suffix '-nes' (-ness).

Cite this Entry

Wordmom. (2026). Definition of Brightness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/brightness
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