The superlative form of the adjective 'light' is lightest.
lighter and lightest
lighter, lightest
The superlative of bright is brightest.
lightest
illuminated
brightest
The superlative of bright is brightest.
The superlative adjective of bright is brightest
The superlative adjective of bright is brightest
bright, brighter, brightest
brightest
The superlative adjective of bright is brightest
The superlative of bright is brightest.
The superlative adjective of bright is brightest
bright, brighter, brightest
brightest
brighter, brightest
Consider the adjective "bright." The comparative form is brighter, the superlative form is brightest.
most brilliant
Adjectives can be classified by degree. If the positive form is bright, the comparative form is brighter and the superlative form is brightest.
Comparative and Superlative forms are for Adjectives and brightly is an Adverb, therefore there is no comparative or superlative for brightly. The forms brighter and brightest exist as the comparative and superaltive forms of the adjective bright.
The usual adverb form is brightly. Rarely, bright itself is used as an adverb (The fire burning bright).Reflecting this, the comparative and superlative forms are sometimes the same as the adjective: brighter (more brightly) or brightest (most brightly).
The forms of the adjective 'bright' are:the comparative is brighterthe superlative is brightest.