Meaning of underpin
Pronunciation: (un"dur-pin'), [key]
— -pinned, -pin•ning.
- to prop up or support from below; strengthen, as by reinforcing a foundation.
- to replace or strengthen the foundation of (a building or the like).
- to furnish a foundation for; corroborate: The author's conclusions are underpinned by references to experimental findings.
- underpin (Thesaurus)