There are plenty of words that can be used in place of "weight lifting" to describe the activity of lifting heavy objects to increase strength and build muscle. Some common synonyms include strength training, resistance training, powerlifting, bodybuilding, weight training, and weight resistance exercises. Each of these terms conveys a slightly different meaning and intensity of the activity, but all relate to the same idea of working out with weights or resistance to achieve physical fitness goals. Whether you prefer the more technical term of resistance training or the intense connotations of powerlifting, there is a synonym for weight lifting that fits your workout style and goals.