Supercalifragilisticexpialidocious

[Tina]

adj. A word [from the Disney film production of the book Mary Poppins] describing any quality that is so indescribable that you have no real word to say it with

[Britney]

A fictitious word introduced in [Mary Poppins]. Thought to be a [nonsense] word, but it contains elements of real [Greek] and [Latin] roots:

[super]: above, over, [extreme]
[cali]: [beauty]
fragilistic: [delicate]
expiali: to [atone], to [make amends]
[docious]: [educable], able to learn

[Jessica]

Multiple mispellings refer to the correctly spelled word Supercalifragilisticexpialidocious - a nonsense word uttered by the character, Mary Poppins in the 1964 movie of the same name. The Walt Disney production of the film, starring Julie Andrews as Mary Poppins, featured the word in a song that tells how you can use it to impress others or as an exclamation when you dont know what to say. (The movie, Mary Poppins, was based on the book of the same title, written by P L Travers in 1934.)

[Rihanna]

Adj. a nonsense word meaning fantastic; also called supercalifragilistic

[Britney]

If you say it loud enough, youll aways sound precocious.

[PussyCat]

Its 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.

[Mark Zuckerberg]

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

[Tina]

a word you use when you cant think of anything else to say

[Rihanna]

supercalifragilisticexpialidocious
adjective

1. fantastic, Fantastic, very wonderful
2. A word one can use to describe something when no other words will do

[Donald Trump]

Atoning for extreme and delicate beauty while still being highly educable

[Michiko]

[A word] that makes [no sense] even in [the dictionary].

[Julian]

Extraordinarily [good]; [wonderful].

[Becky]

What to [say when] [you dont know] what to [say].