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
-
The gas tax is a key source of funding for road construction and maintenance across North Carolina, and lawmakers said eliminating it even temporarily could slow projects or worsen existing infrastructure needs.—
Nora O'Neill,
Charlotte Observer,
7 Apr. 2026 -
Plus, the all-in-one station handles emptying, washing, and hot-air drying for total hands-free maintenance.—
Juhi Wadia,
PC Magazine,
6 Apr. 2026
Noun
-
There are over 24 Art Deco preservation societies worldwide, including an international Art Deco Society.—
Daily News,
Daily News,
3 Apr. 2026
-
In the study, instances of peer preservation increased when AI models knew of the existence of other models in the experimental scenarios.—
Sasha Rogelberg,
Fortune,
3 Apr. 2026
Noun
-
There are solutions for age verification that are both accurate and privacy preserving.—
Annie Chestnut Tutor,
Boston Herald,
18 Aug. 2025
Noun
-
The zoo is accredited by the Association Of Zoos And Aquariums and has a dedicated conservation effort.—
Emma Caughlan,
NBC news,
5 Apr. 2026
-
Nick Fasciano, executive director for the nonprofit conservation group Idaho Wildlife Federation, testified in support of the bill in front of the House committee.—
Nicole Blanchard,
Idaho Statesman,
4 Apr. 2026
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.
Cite this Entry
“Sustentation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sustentation. Accessed 8 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
