Radiating or reflecting light; filled with light; brilliant; shining; luminous; sparkling: as, a bright sun.Transmitting light; clear; transparent, as liquors.Manifest to the mind, as light is to the eye; evident; clear.Resplendent, as with beauty; splendid.Illustrious; glorious: as, the brightest period of a kingdom.Having or marked by brilliant mental qualities; quick in wit; witty; clever; not dull: as, he is by no means bright; a bright remark; a bright book.Sparkling in action or manner; animated or animating; vivacious; lively; cheerful.Favorable; pleasing; auspicious: as, a bright prospect.In painting, luminous; glittering; full of light.Nautical, alert; vigilant.Synonyms Glowing, lustrous, gleaming, radiant, effulgent.Acute, intelligent, discerning.Promising, encouraging.Brightly.n. Brightness.To make bright; brighten.See brite.