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
-
These include air traffic controllers, maintenance of navigational aids, flight standards, hazardous materials inspections, air traffic safety oversight, accident investigators, and airport inspectors.—
Michael Cappetta,
Travel + Leisure,
1 Oct. 2025 -
The brand recommends spot cleaning with mild detergent when needed for easy maintenance.—
Rachel Trujillo,
PEOPLE,
1 Oct. 2025
Noun
-
The Chickasaw neighborhood in west Louisville has been solidified as a historic preservation district.—
Killian Baarlaer,
Louisville Courier Journal,
28 Sep. 2025
-
The discovery has already inspired preservation efforts.—
Daniella Gray,
MSNBC Newsweek,
28 Sep. 2025
Noun
-
There are solutions for age verification that are both accurate and privacy preserving.—
Annie Chestnut Tutor,
Boston Herald,
18 Aug. 2025
Noun
-
Supporting aquariums helps to preserve wild places through important conservation and education efforts.—
Charna Flam,
PEOPLE,
27 Sep. 2025
-
Once confiscated, the plants spend the rest of their lives at the botanical garden, where their seeds can be banked for future conservation projects.—
John Leos,
AZCentral.com,
26 Sep. 2025
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 2 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share