firm up Rate this phrase:(0.00 / 0 votes)
To make muscles more toned through physical exercise.

He hopes to firm up his biceps a bit before meeting the girls.

Additional definitions for 'firm up':

firm upTo make tentative plans more definite.
See them all »


Find a translation for the firm up phrase in other languages:

Select another language:

Nearby phrases

Some more phrases from our dictionary similiar to firm up

Discuss this firm up phrase with the community:


Use the citation below to add this firm up definition to your bibliography:


"firm up." STANDS4 LLC, 2018. Web. 22 Oct. 2018. <>.

We need you!

Help us build the largest human-edited phrases collection on the web!

Thanks for your vote! We truly appreciate your support.