The roots of the word have been defined as follows: super- "above", cali- "beauty", fragilistic- "delicate", expiali- "to atone", and docious- "educable".
With the sum of these parts signifying roughly "Atoning for educability through delicate beauty."

Used as a nonsense word by children to express approval or to represent the longest word in English.

soo-per-kal-uh-fraj-uh-lis-tik-ek-spee-al-i-doh-shuhs

so long...lol
by zoe_choichoi May 13, 2011
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It's a ficticious word that you say when you want to sound precocious or when your tongue tied and need to come up with something impressive.
"George, what do you have to add to Christy's comments about your budget proposal?"

George, sweat visible now above his brow, fidgeted in his seat as he panicked at his obvious loss of words. Then a miracle happened; he opened up his mouth and said, "supercalifragilisticexpialidocious!"

"That's terrific. Rodger make sure George gets the money he's asking for. Wow, just great George. Christy you could learn from him."
by Stuart Mohr August 02, 2006
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Adj. a nonsense word meaning fantastic; also called supercalifragilistic
"It's Supercalafragilisticexpialidocious, even though the sound of it is something quite atrocious, if you say it loud enough you'll always sound precocious, supercalifragilisticexpialidocious!
Umdiddle umdidllei, Umdiddle umdidllei..
by Jordan H. March 27, 2005
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A word that makes no sense even in the dictionary.
That was supercalifragilisticexpialidocious
by Connorjj319 December 06, 2016
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Well your probably wondering WHAT THE HECK IS DAT!? well actually it’s a very long word most of us can’t don’t know how to say but we say it anyway, why? to seem proper.
Oh you have me all Supercalifragilisticexpialidocious!”

Girl what....”
by cwallingallbwabz February 28, 2021
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extraordinarily good; wonderful(Adv.)
Its so good, it's Supercalifragilisticexpialidocious!
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a song from the 1964 Disney musical film Mary Poppins. The song was written by the Sherman Brothers, and sung by Julie Andrews and Dick Van Dyke. It also appears in the stage show version. Because Mary Poppins was a period piece set in 1910, songs that sounded similar to songs of the period were wanted.1 The movie version finished at #36 in AFI's 100 Years...100 Songs survey of top tunes in American cinema.
👏🙌👏👌👏🙌👏🙌👏🙌👏🙌👏🙌👏🙌👏🙌👏🙌👏🙌👏🙌👏🙌Supercalifragilisticexpialidocious
by 🔴©®Y🔴 November 26, 2014
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