Definition of undergirdnext
as in to sustain
to hold up or serve as a foundation for the theory of evolution undergirds virtually all of modern biology

Synonyms & Similar Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of undergird During this run, Shawn is even doing performances of The Fever, his 1990 one-person play about the ugly compromises that undergird American life, on Sunday and Monday evenings when Moth Days is dark. Christopher Bonanos, Vulture, 23 Feb. 2026 Hungarian Conceptual artist Dóra Maurer, whose fascination with movement and change undergirded a diverse practice marked by bright hues, simple shapes, and uninhibited experimentation, died on February 14. News Desk, Artforum, 22 Feb. 2026 Capital expenditures—capex, meaning the big-ticket purchases that fund the data centers, servers, and power infrastructure undergirding the AI race—is fueling record-high, multi-trillion dollar tech valuations when investors think the spending is warranted. Amanda Gerut, Fortune, 5 Feb. 2026 Her wacky asides, undergirded by a subtle poignancy, both gave Guffman a zany edge and helped transform the mockumentary genre itself. Paula Mejía, The Atlantic, 4 Feb. 2026 See All Example Sentences for undergird
Recent Examples of Synonyms for undergird
Verb
  • Two people were hospitalized with injuries sustained when an apartment building caught fire in El Sereno early Sunday morning.
    Dean Fioresi, CBS News, 23 Mar. 2026
  • Second, that accepted norms of the profession required aggressive interventions to sustain life.
    Robert S. Olick, The Conversation, 23 Mar. 2026
Verb
  • The city manager is also evaluating whether the current site could support private development.
    Jack Fink, CBS News, 27 Mar. 2026
  • These oils are rich in naturally occurring aromatic compounds that support relaxation, focus, skin cleansing and even natural home cleaning.
    Tory Johnson, ABC News, 26 Mar. 2026
Verb
  • Analysts say the referendum carries international implications as well.
    Arkansas Online, Arkansas Online, 23 Mar. 2026
  • The Air Canada Express CRJ-900 plane, operated by its regional partner Jazz Aviation, was carrying 72 passengers and four crew members from Montreal, based on a preliminary passenger list that remained subject to confirmation.
    Gursimran Mehar, USA Today, 23 Mar. 2026
Verb
  • New acquisitions Isaac Collins, Lane Thomas, Starling Marte should bolster the outfield.
    Kansas City Star, Kansas City Star, 28 Mar. 2026
  • The system continues to bolster its footprint in North Carolina.
    Chase Jordan March 27, Charlotte Observer, 27 Mar. 2026

Browse Nearby Words

Podcast

Cite this Entry

“Undergird.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undergird. Accessed 28 Mar. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster