The word "un-jaded" means that a person is not worn-out, tired, or cynical. Some antonyms for this word include "refreshed," "rejuvenated," "revitalized," "energized," and "inspired." These words suggest that a person has been able to see things in a new light and is excited about the future. Other antonyms include "vibrant," "lively," "enthusiastic," "optimistic," and "hopeful." These words all suggest that a person is full of life, energy, and enthusiasm. Being un-jaded is a desirable state of being because it allows people to see the world with fresh eyes and to approach life with renewed vigor and optimism.