(astronomy) The explosion of a star, which increases its absolute magnitude to typically a billion times that of our sun. Some leave only debris, while others fade to invisibility as neutron stars or black holes.

A person who works in a group, association, or public office without forming part of the regular staff (the numerary).

Greater in number than. / Beyond the prescribed or standard amount or number; excess, extra. / (biology, specifically) Of an organ or structure: additional to what is normally present.

A large self-service store that sells groceries and, usually, medications, household goods, and/or clothing. / A chain of such stores.

(grammar) adverbial or adjectival forms modified by most or ending in -est, used when comparing three or more things

(psychoanalysis) The part of the mind that acts as a self-critical conscience, reflecting social standards that have been learnt.

Obsolete, antiquated. / Retired or discarded due to age.

simple past tense and past participle of superannuate

(transitive) To retire or put out of use due to age. / (transitive) To show to be obsolete due to age. / (intransitive) To retire due to age. / (intransitive) To become obsolete or antiquated.

Pertaining to heaven or to the sky; celestial. / Exalted, exquisite, superlative.