Meaning offirm upin English

Verb

1. to make plans more definite; certain
   We need to firm up our travel plans before booking the hotel.
2. to tone muscles through exercise
   Regular exercise helps to firm up the muscles in your legs.
3. to become more solid or stable in texture
   The soil will firm up after a few days of dry weather.
4. to become more definite; clear
   As the project progresses, the details will firm up and become clearer.
5. to become more toned; physically fit
   Regular exercise and a healthy diet will help firm up your stomach muscles.