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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for sustentation
Noun
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Love’s Travel Stops just expanded its service offerings for RVs, including light maintenance, battery replacement and tire replacement.
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Thermal monitoring detected a bearing temperature rising toward 140°C, allowing maintenance teams to schedule an eight-hour repair instead of responding to a costly emergency failure.
Noun
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But the show repeatedly undercuts that point of view by halfway reinforcing the age-old American assumption that crime is born of poor individual choices among an uncivilized populace, not of poverty, desperation, and preservation, both self and communal.
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One of the benefits of UNESCO designation is the promise of additional resources for preservation and protection, both of which, Alexandridis stressed, are urgently needed.
Noun
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There are solutions for age verification that are both accurate and privacy preserving.
Noun
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About a third of the ranch is protected under a conservation easement for elk habitat.
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The cows were reintroduced around the King’s Palace Museum in the early 2010s as part of a conservation initiative.
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Cite this Entry
“Sustentation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sustentation. Accessed 30 Jun. 2026.
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