Gym bunny is a term often used to describe people who are dedicated to working out regularly and maintaining a fit and active lifestyle. However, not everyone may feel comfortable using this term or may want to use something different to describe themselves or others. Possible synonyms for gym bunny could include fitness enthusiast, workout devotee, exercise fanatic, gym rat, health buff, athletic enthusiast, fitness freak, fitness nut, or sports addict. Each of these words has its own connotations and nuances, so people might choose different words depending on what messages they want to convey or avoid. Ultimately, the most important thing is to find a term that accurately represents one's fitness philosophy and values.