brightness C2+ Topic:Photography & Images US /ˈbraɪtnəs/ UK /ˈbraɪtnəs/ See IPA manual 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... radianceluminositybrillianceglowlustersheen ↔ Opposites dimnessdarknessdullnessgloom Word family Related forms brightbrighten Etymology AI details From Old English beorhtnes, from beorht ('bright, shining') + the noun-forming suffix -ness. beorht Old English *berhtaz Proto-Germanic View etymology graph -> Topics Photography & Images Abstract Ideas Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # 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 - Photography & Images - Abstract Ideas - Word Formation & Derivatives markdown