Supercalifragilisticexpialidocious Meaning: A made-up word that means something fantastic, extraordinary, or amazingly wonderful. It’s fun, whimsical, and often used to express excitement or delight. Example sentences: Friend: How was the concert last night? You: It was supercalifragilisticexpialidocious! The energy was unreal! Colleague: What do you think of our new team member? You: She's supercalifragilisticexpialidocious! So talented and friendly! Synonyms: Absolutely amazing Incredibly fant