| Answer | Crossword Clue |
|---|---|
| underpinning | A solid foundation laid below ground level to support or strengthen a building |
| underpinnings | A solid foundation laid below ground level to support or strengthen a building |
| underpinned | Support (a building or other structure) from below by laying a solid foundation below ground level or by substituting stronger for weaker materials |
| underpins | Support (a building or other structure) from below by laying a solid foundation below ground level or by substituting stronger for weaker materials |
| underpin | to prop up or support from below; strengthen, as by reinforcing a foundation |
