The term "faded out" describes an action that slowly disappears or loses significance. Antonyms for "faded out" might include terms such as "brightened up," "intensified," "amplified," or "revived." These words suggest that something is becoming more vibrant, noticeable, or significant rather than gradually disappearing. Other possible antonyms could include "emerged," "flourished," "thrived," or "bloomed," suggesting that something is growing or coming into being. Whatever the opposite of "faded out" may be, it implies a sense of growth, vitality, and energy, rather than the slow decline or disappearance that "faded out" suggests.