Definition of: superlative

(sə·pûr′lə·tiv, s-) adjective
1. Elevated to the highest degree; consummate; of supreme excellence or eminence.
2. Gram. Expressing or involving the extreme degree: said of a form of comparison of adjectives or adverbs: The superlative degree of “wise” is “wisest.” See COMPARISON (def. 2).
3. Excessive.
—noun
1. That which is of the highest possible excellence or superior to all others.
2. Gram. The highest degree of comparison of the adjective or adverb; any word or phrase in the superlative degree. [<OF superlatif <LL superlativus <L superlatus excessive <super- above + latus, pp. to ferre carry]
—su·per′la·tive·ly adverb
—su·per′la·tive·ness noun