Supercalifragilisticexpialidocious meaning: Ever come across a word

Supercalifragilisticexpialidocious Meaning Ever come across a word that sounds like it could take down the whole English language? Say hello to ... SUPERCALIFRAGILISTICEXPIALIDOCIOUS meaning: 1. extremely good (made popular in the 1964 children's film, "Mary Poppins"): 2. extremely good…. Learn more. Curious about Supercalifragilisticexpialidocious Meaning? Uncover its meaning and context in modern online conversations. Expand your slang vocabulary - dive A long and nonsensical word from the 1964 musical film Mary Poppins, written by the Sherman Brothers. It means "something to say when you don't know what to say" and has various origins and meanings, according to the songwriters and the Oxford Dictionary.