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"first-rate, excellent," 1837, from prefix in superfine (1682), denoting "highest grade of goods," from Latin super "above, over, beyond" (see super-). Extended usage as a general term of approval is 1895 slang, revived 1960s. Rhyming reduplication form super-duper first attested 1940.
A superintendent, esp one who is custodian of an apartment building (1857+)
Wonderful; excellent; very superior: America's Teenage Girls Speak Language of Their Own That Is Too Divinely Super
[1895+; perhaps fr superior or superfine; revitalized in the 1960s]
used to form adjectives Having the indicated quality to an extraordinary degree: superhappy/ superwonkyprefix
used to form nouns A superbly qualified and prodigious specimen of what is indicated: superjerk/ superjock/ superchick/ Supermom
[1930s+; noun prefix stimulated from 1938 by the comic-book character Superman]