Endless charisma is a phrase that describes an irresistible and magnetic personality that never seems to run out of charm or energy. There are several words that can be used as synonyms for this powerful phrase, including boundless charm, infinite magnetism, infinite charm, and inexhaustible allure. These words all evoke a sense of limitless and never-ending qualities that make someone truly captivating and compelling. They also suggest a certain level of charisma that can't be contained or controlled, but simply radiates from the person in question, drawing others in and holding their attention for as long as they are around. Ultimately, these synonyms capture the essence of someone who possesses endless charisma and the irresistible energy that comes with it.