2.noun(grammar) The form of an adjective that expresses which of several items has the highest degree of the quality expressed by the adjective; in English, formed by appending "-est" to the end of the adjective (for some short adjectives only) or putting "most" before it.
"The superlative of "big" is "biggest"."
3.nounAn adjective used to praise something exceptional.
"Daniel is amazing, wonderful, fantastic, and many other superlatives I can’t think of right now!"
4.adjectiveExceptionally good; of the highest quality; superb.
5.adjective(grammar) Of or relating to a superlative.