Simple Definition of undergird
: to strengthen or support (something) from below
Examples of undergird
<the theory of evolution undergirds virtually all of modern biology>
First Known Use of undergird
Rhymes with undergird
afterword, bowerbird, butcher-bird, cedarbird, dickey bird, dirty word, dolly bird, early bird, fighting word, frigate bird, gallows bird, hummingbird, in a word, lemon curd, mockingbird, ovenbird, riflebird, tailorbird, thunderbird, wading bird, wattlebird, weasel word, weaverbird, whirlybird, word for word
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Thesaurus: All synonyms and antonyms for "undergird"
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