Underpin

Pronunciation: /ˈʌndərˌpɪn/

Underpin (verb)

  1. To give strong support to something, especially by being underneath or forming a base.
  2. To be the main reason or basic idea that makes something work or makes it true.
  3. To make something stronger or more stable by adding support that is not always seen.

Examples

  • The beams underpin the roof during repairs.
  • The foundation underpins the whole building.