UNDERPIN


Meaning of UNDERPIN in English

■ verb ( ~s , ~ning , ~ned )

1》 support (a structure) from below by laying a solid foundation or substituting stronger for weaker materials.

2》 support, justify, or form the basis for.

Derivatives

~ning noun

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.