Definition of sustentationnext
1
as in maintenance
the act or activity of keeping something in an existing and usually satisfactory condition argues that a new toll is needed to pay for the long-term sustentation of the city's bridges

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2
as in preservation
the careful maintaining and protection of something valuable especially in its natural or original state the all-important sustentation of Mount Vernon, Monticello, and other national treasures

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Example Sentences

Recent Examples of Synonyms for sustentation
Noun
  • During last month’s public meeting, however, Michael Kinik, Iroquois’ director of operations and maintenance, said the company had responded to feedback by agreeing to install devices on both the new and existing compressor turbines to lower noise and reduce emissions.
    John Moritz, Hartford Courant, 9 Feb. 2026
  • Like other townships, money generated from mostly property taxes funds police, fire and road maintenance.
    Victoria Moorwood, Cincinnati Enquirer, 9 Feb. 2026
Noun
  • The retailer voluntarily supported local environmental, cultural, and preservation initiatives during the campaign’s production.
    Angela Velasquez, Sourcing Journal, 13 Feb. 2026
  • The women's health employee benefits platform Maven is working with Color Health to offer fertility preservation options to women of childbearing age diagnosed with cancer.
    Emma Hinchliffe, Fortune, 13 Feb. 2026
Noun
  • There are solutions for age verification that are both accurate and privacy preserving.
    Annie Chestnut Tutor, Boston Herald, 18 Aug. 2025
Noun
  • Coverage will feature a look at the island’s historic significance as a military base, prison and seabird conservation site.
    Andrew Greif, NBC news, 8 Feb. 2026
  • On Thursday, the city’s Historic Preservation team presented a draft to the neighborhood showing what a conservation district would look like, including design guidelines for new construction and renovations, trees, yards and fences.
    Kamal Morgan February 7, Fort Worth Star-Telegram, 7 Feb. 2026
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Cite this Entry

“Sustentation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sustentation. Accessed 15 Feb. 2026.

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