(figuratively) A good part of something that is otherwise fairly bad or unpleasant. / Used other than figuratively or idiomatically: see bright, spot.

(poetic) bright at night

Of or relating to a form of environmentalism based on the belief that the convergence of technological change and social innovation provides the most successful path to sustainable development.

(physics) A localized surface soliton that causes a temporary increase in an associated wave amplitude

(idiomatic) A clear-cut, easy to make a decision. / (law) A clearly defined rule or standard, composed of objective factors, which leaves little or no room for varying interpretation.

plural of bright-line rule

plural of bright shiny object

plural of bright young thing

Alternative letter-case form of bright young thing

(idiomatic, sometimes capitalized) One who is youthful, clever, eager, and high-spirited in manner and attractive in appearance.