Antonyms for the term "shaking a leg" may include words such as stillness, inactivity, lethargy, or resting. These terms imply a lack of movement or energy and are the opposite of the phrase that signifies a quick, lively dance or activity. Expressions such as sitting still, lying down, or lounging around indicate a relaxed state without any movement. Similarly, slothfulness or indolence suggest a lack of motivation or action. These antonyms might be used in contrast with the phrase "shaking a leg" to describe a more sedentary or sedentary lifestyle, or to emphasize the energetic nature of the activity.