Dictionary.com

underpin

[ uhn-der-pin ]
/ 藢蕦n d蓹r藞p瑟n /
Save This Word!
See synonyms for: underpin / underpinned / underpinning on Thesaurus.com

verb (used with object), un路der路pinned, un路der路pin路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.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes 鈥渟ky blue鈥?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of underpin

First recorded in 1515鈥25; under- + pin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2021

How to use underpin in a sentence

British Dictionary definitions for underpin

underpin
/ (藢蕦nd蓹藞p瑟n) /

verb -pins, -pinning or -pinned (tr)
to support from beneath, esp by a prop, while avoiding damaging or weakening the superstructureto underpin a wall
to give corroboration, strength, or support to
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK