The antonyms for the phrase "lost spirit" would be purposeful, focused, driven, inspired, uplifted, spirited, motivated, determined, optimistic, and enthusiastic. These words connote a sense of direction and purpose, and suggest an individual who is actively engaged in pursuing their goals and dreams. Rather than feeling lost or disconnected from their path, a person who embodies these qualities is more likely to feel energized and inspired by their goals, and actively working to achieve them. These traits are often associated with success, as they represent an individual who is committed to their vision and willing to put in the effort to see it realized.