The best, most favourable or desirable, especially under some restriction.
Describing a search algorithm that always returns the best result.
The best of its kind
Exceptionally good; of the highest quality; superb.
Of or relating to a superlative.
The extreme (e.g. highest, lowest, deepest, farthest, etc) extent or degree of something.
An adjective used to praise something exceptional.
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.