Jazzed up is a phrase used to describe something that has been made more lively or exciting. The crossword solutions for this term are LIVENED (7 letters), AMPED (5 letters) and ENLIVENED (9 letters). Livened means to make something livelier or more cheerful, while AMPED means to be filled with energy or enthusiasm. Enlivened means to make something more lively or interesting. All three words can be used to describe the phrase jazzed up.