(Internet) An updated newsgroup post that supersedes an earlier version.

The extreme (e.g. highest, lowest, deepest, farthest, etc) extent or degree of something.

Exceptionally good; of the highest quality; superb. / (grammar) Of or relating to a superlative.

(US) An expressway, especially one designed for high speeds. / (by extension) A major route that carries most of the traffic going in a given direction by a specified mode of transportation.

Above nature; beyond or added to nature, often so considered because it is given by a deity or some force beyond that which humans are born with.

(countable) A supernatural being / (uncountable) Supernatural beings and events collectively (when used with definite article: "the supernatural")

(relational) Existing, occurring, or located on the surface. / (anatomy, relational) Situated or occurring on the skin or immediately beneath it.

(usually in the plural) A surface detail.

In Italian, Spanish, Portuguese, and Catalan: the form of an adjective formed by adding the suffixes -issimo, -ísimo, -íssimo, -érrimo, -imo, or -íssim to the adjective (with any final vowel dropped) to express a superlative that cannot be exceeded, having the sense “as ... as possible”.

Of excellent quality, superfine. / better than average, better than usual; wonderful.