Emitting much light; visually dazzling; luminous, lucent, radiant.

Of light: brilliant, intense.

Of an object, surface, etc.: reflecting much light; having a high lustre; gleaming, shiny.

Of a place: not dark; well-lit.

Of climate or weather: not cloudy or gloomy; fair; also, of a period of time, the sky, etc.: characterized by much sunshine and good weather.

Clearly apparent; conspicuous.

Of a colour: not muted or pale; bold, brilliant, vivid.

Of an object, surface, etc.: having vivid colour(s); colourful.

Of a musical instrument, sound, or a voice: clearly audible; clear, resounding, and often high-pitched.

Of a room or other place: having acoustic qualities that tend to cause much echoing or reverberation of sound, particularly at high frequencies.

Of a scent or taste: having an agreeable balance of sweet and sour, often with associations of coolness, freshness, and sometimes aromaticity.

Of a scent or taste: not bland or mild; bold, sharp, strong.

Of a substance: clear, transparent; also, pure, unadulterated; (specifically) of wine: free of suspended particles; not cloudy; fine.

Glorious; illustrious.

In good spirits; happy, optimistic.

Of the face or eyes, or a smile: showing happiness or hopefulness; cheerful, lively.

Of a person: lively, vivacious.

Of a period of history or time: happy, prosperous, successful.

Of an opportunity or outlook: having a reasonable chance of success; favourable, good.

Of conversation, writing, etc.: imaginative or sparkling with wit; clever, witty.

Having a clear, quick intellect; intelligent.

Of the eyes: able to see clearly; of eyesight: keen, sharp.

Manifest to the mind as light is to the eyes; clear, evident, plain.

Of a rhythm or tempo: lively, upbeat.

Of a note: slightly sharp.

(metallurgy) Of a metal object or surface: lacking any protective coating or surface treatment for the prevention of corrosion.

Brightness, glow.

Glory, splendour.

(chiefly in the plural) Something (especially a product intended for sale) that has vivid colours or a lustrous appearance.

A person with a naturalistic worldview with no mystical or supernatural elements.

(painting) An artist's brush used in acrylic and oil painting with a long ferrule and a flat, somewhat tapering bristle head.

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

Referring to colour: with bold or vivid colours; brightly, boldly, vividly.

Referring to sight, sound, understanding, etc.: clearly, distinctly; brightly.

(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.

(intransitive, also figuratively) Often followed by up: to become bright (in various senses); to brighten.