tone up

Found in Anh - Anh (Wordnet)

Definition Verb : To make (something, especially a part of the body) firmer, stronger, or more defined, typically through exercise. To improve the condition, strength, or quality of something. Usage The verb "tone up" is used to describe the process of improving muscle firmness or overall physical condition. It is often used in the context of fitness and health. It can be used with a direct obj...