undergirds; undergirded; undergirding
chiefly US
: to strengthen or support (something) from below
—usually used figuratively
Their way of life is undergirded by religious faith.
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“Undergird.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/undergird. Accessed 22 Jun. 2026.
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