adj

• (transferred senses, figuratively)
  "They gathered soberly in the farthest recess of the ward and gossiped about him in malicious, offended undertones, rebelling against his presence as a ghastly imposition and resenting him malevolently for the nauseating truth of which he was bright reminder."
• (transferred senses, figuratively)
  "Her step was quick; her eye piercing, and of the brightest blue; […]"
• (transferred senses, figuratively)
  "The orange and blue walls of the sitting room were much brighter than the dull grey walls of the kitchen."
• (transferred senses, figuratively)

noun

• (archaic or literary)
  "Thee Father firſt they ſung Omnipotent, / […] when thou ſhad'ſt / The full blaze of thy beams, and through a cloud / Drawn round about thee like a radiant Shrine, / Dark with exceſſive bright thy ſkirts appeer, / Yet dazle Heav'n, […]"
• (archaic or literary)
• (chiefly in the plural) Something (especially a product intended for sale) that has vivid colours or a lustrous appearance.
• (painting) An artist's brush used in acrylic and oil painting with a long ferrule and a flat, somewhat tapering bristle head.

adv

• (often literary) In a bright manner; brightly, glowingly, luminously, lustrously.
• (figuratively)
• (figuratively)

verb

• (transitive) Often followed by up: to cast light on (someone or something); to brighten, to illuminate.
• (transitive, figuratively) Often followed by up: to cause (someone or something) to be bright (in various senses); to brighten; specifically, to make (someone or something) energetic, or happy and optimistic.
  "Toward Mid-day he [the Sun] brighteth the Air into a chearful Saphir, and guildeth the Borders of the very Clouds with a coſtly limbus."
• (intransitive, also figuratively) Often followed by up: to become bright (in various senses); to brighten.
  "Day brighteth at the smile o' her and yea, He hath aplanted full o' seed for harvesting by thy loving."