"Full of fun" is a phrase that's commonly used to describe someone or something that's lively, amusing, and entertaining. However, there are numerous other words that can be used to express the same sentiment. Some great examples include vivacious, exuberant, bubbly, jolly, cheery, festive, joyous, merry, upbeat, and playful. Each of these words conveys a different nuance of the idea of being "full of fun," whether it's exuding an infectious energy, spreading laughter and cheer, or simply radiating a positive and happy attitude. With an ample selection of synonyms at your disposal, you can spice up your language and add more color to your descriptions!