brightness

C2+ Topic:Describing Qualities

US /ˈbraɪtnəs/ UK /ˈbraɪtnəs/ See IPA manual

noun

Meanings

1

noun
the quality or degree of being bright or luminous

She turned down the screen's brightness to save battery.

Thesaurus

Synonyms

1 noun · the quality or degree of... radiance luminosity brilliance glow luster sheen

Opposites

dimness darkness dullness gloom

Word family

Related forms bright brighten

Etymology

From Old English beorhtnes, from beorht ('bright, shining') + the noun-forming suffix -ness.

beorht Old English *berhtaz Proto-Germanic

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

# brightness

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** ˈbraɪtnəs
**IPA (UK):** ˈbraɪtnəs

## Meanings
1. the quality or degree of being bright or luminous

## Examples
- She turned down the screen's brightness to save battery.

## Synonyms
- radiance
- luminosity
- brilliance
- glow
- luster
- sheen

## Antonyms
- dimness
- darkness
- dullness
- gloom

## Related Forms
- bright
- brighten

## Roots and Affixes
- Root: beorht
- Root: *berhtaz

## Etymology
From Old English beorhtnes, from beorht ('bright, shining') + the noun-forming suffix -ness.

## AI Etymology
Brightness comes from Old English beorhtnes, from beorht ('bright, shining') + the noun-forming suffix -ness. The historical trail runs through Old English beorht and Proto-Germanic *berhtaz. Morphologically, the surface form is analyzable into prefixes, suffixes, compounds, or participial endings that carry part of the history. In modern use it means the quality or degree of being bright or luminous. Related forms include bright, brighten.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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brightness

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