supercalifragilisticexpialidocious

First attested in the 1940s, it was made famous by its use in a song of the same title in the movie Mary Poppins (1964), by songwriters Robert B. Sherman and Richard M. Sherman.

• (Received Pronunciation) IPA^(key): /ˌsuːpəˌkælɨˌfɹædʒɨˌlɪstɪkˌɛkspɪˌælɨˈdəʊʃəs/
• (General American) enPR: so͞o'pər-kăl'ĭ-fră'jĭ-lĭs'tĭk-ĕk'spē-ăl'ĭ-dōʹshəs, IPA^(key): /ˌsupɚˌkælɪ̈ˌfɹædʒɪ̈ˌlɪstɪkˌɛkspiˌælɪ̈ˈdoʊʃəs/

• Audio (UK)

  (file)

• Audio (US)

  (file)

• Rhymes: -əʊʃəs
• Hyphenation: su‧per‧cal‧i‧frag‧i‧lis‧tic‧ex‧pi‧a‧li‧do‧cious

supercalifragilisticexpialidocious (not comparable)

1. (humorous) Fantastic, very wonderful
   • 1964 August 27, Julie Andrews as Mary Poppins, Mary Poppins:

     It's supercalifragilisticexpialidocious.

   • 2010 March 15, Mula, Rose Madeline, The Beautiful People and Other Aggravations, Gretna: Pelican Publishing, →ISBN, OL 24521586M, page 91:

     By comparison with the present transcribers, I'm sure my performance would be supercalifragilisticexpialidocious.

   • 2011, Allberry, Mary B., I Ain't Done Yet, Victoria: FriesenPress, →ISBN, OL 25422249M, page 91:

     This is a real biggie so pay attention—I still pinch myself occasionally to even believe I did this; it was supercalifragilisticexpialidocious.

• supercalifragilistic (shortening)

Often cited as an example of a very long word.

• supercalifragilisticexpialidociously
• supercalifragilisticexpialidociousness

• antidisestablishmentarianism
• floccinaucinihilipilification
• dacryocystorhinostomy
• hippopotomonstrosesquipedaliophobia
• pneumonoultramicroscopicsilicovolcanoconiosis

“supercalifragilisticexpialidocious” in Lexico, Dictionary.com; Oxford University Press.