undergird
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un·der·gird

transitive verb \ˌən-dər-ˈgərd\

Definition of UNDERGIRD

1
archaic : to make secure underneath <took measures to undergird the ship — Acts 27:17(Revised Standard Version)>
2
: to form the basis or foundation of : strengthen, support <facts and statistics subtly undergird his commentary — Susan Q. Stranahan>

Examples of UNDERGIRD

  1. <the theory of evolution undergirds virtually all of modern biology>

First Known Use of UNDERGIRD

1526

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