Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

underpin

play
verb un·der·pin \-ˈpin\

Simple Definition of underpin

  • : to strengthen or support (something) from below

Source: Merriam-Webster's Learner's Dictionary

Full Definition of underpin

  1. transitive verb
  2. 1 :  support, substantiate <underpin a thesis with evidence>

  3. 2 :  to form part of, strengthen, or replace the foundation of <underpin a structure> <underpin a sagging building>

Examples of underpin in a sentence

  1. a wall underpinned by metal beams

  2. <the central beliefs that underpin a free society>



1522

First Known Use of underpin

1522



Seen and Heard

What made you want to look up underpin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

prophetic or oracular

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

frenetic philistine melancholy lazy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ