You compare adjectives and adverbs, not nouns.
Superlative
A superlative.
A comparative adjective is one that compares two things: "Kayla was FASTER than Sally."A superlative adjective describes the most, greatest, or best: "Kayla was the FASTEST runner I have ever seen."
denoting the form of the adjective or adverb that expresses the highest degree of quality. For example, 'smallest and best' would be the superlative form of 'small and good'
It is the highest degree of comparison
full
denoting the form of the adjective or adverb that expresses the highest degree of quality. For example, 'smallest and best' would be the superlative form of 'small and good'
The positive degree of "best" is "good." In English grammar, the positive degree is the base form of an adjective, used to describe a quality without any comparison. "Best" is the superlative form of the adjective "good," which indicates the highest degree of quality.
great
A superlative is a form of an adjective or adverb that expresses the highest degree of a quality, typically by adding "-est" to the base form (e.g. "tallest," "fastest"). It is used to compare three or more things.
Saddest is the superlative degree.
Adjectives and adverbs have comparative and superlative degrees. The comparative degree expresses a higher degree of a quality, but not the highest possible (e.g., braver; more fiercely). The superlative degree expresses the highest or a very high degree of a quality (e.g., bravest, most fiercely).