Pepped-up is often used to denote an overall sense of energy, enthusiasm, and excitement. There are several synonyms you can use to replace the phrase "pepped-up", such as "revived," "energized," "pumped-up," "stimulated," "animated," "invigorated," "galvanized," and "vivified." Each of these terms carries a unique sense of liveliness and vigor to your language. Whether you are writing a novel, giving a speech, or trying to convey a sense of enthusiasm in everyday conversation, these synonyms for "pepped-up" will come in handy. So, try using these words and phrases to give your language a boost and bring energy to your ideas.