underpin

[uhn-der-pin]

verb (used with object)

underpinned, underpinning 

1. to prop up or support from below; strengthen, as by reinforcing a foundation.

2. to replace or strengthen the foundation of (a building or the like).

3. to furnish a foundation for; corroborate.

   The author's conclusions are underpinned by references to experimental findings.

underpin

/ ˌʌndəˈpɪn /

verb

1. to support from beneath, esp by a prop, while avoiding damaging or weakening the superstructure

   to underpin a wall

2. to give corroboration, strength, or support to

Word History and Origins

Origin of underpin¹

First recorded in 1515–25; under- + pin

Example Sentences

The ZKP name is also the term used to describe a type of technology designed to enhance the privacy of a blockchain - a digital record of transactions which underpins cryptocurrencies.

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The investment bank’s analysts tell clients in a note that the Australian company’s fiscal 2026 earnings outlook is well underpinned by factors including stabilizing investment yields and a new A$450 million share buyback.

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But it’s consistently appealing, underpinned by fluent Broadway pop-rock melodies that, importantly, never overwhelm the lyrics, which are trenchant and clever.

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But he kicked off another round of criticism by revealing the revamp actually cost $96m, a figure which covered a full website rebuild and testing of the "systems and technology that underpin" it.

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However, the German arms maker’s earnings outlook is well underpinned for the next five years, maybe 10 years, Perry says.

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