Definition of Underpinning

a solid level of foundation laid below a building to support it

Examples of Underpinning in a sentence

The construction team added underpinning at the bottom of the trailer to shelter the mobile home’s pipes from cold weather.  

Because the home’s underpinning was faulty, a new foundation is needed for support.  

The older building’s underpinning is in shambles, and the lower level is extremely unstable.  

Other words in the Support category:

Most Searched Words (with Video)