SUSTENTATION Synonyms: 41 Similar and Opposite Words

sustentation

noun

ˌsə-stən-ˈtā-shən

Definition of sustentation

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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Antonyms & Near Antonyms

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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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for sustentation

Noun

When a tool only automates a fraction of a task, but requires a $500,000 integration and continuous infrastructure maintenance, the ROI vanishes.

— Sridhar Yerramreddy, Forbes.com, 4 Aug. 2026
Native plants require less water and maintenance and provide food and shelter for bees, birds, butterflies and other wildlife, connecting yards to their surrounding ecosystems.

— Daniel Kramer, The Conversation, 3 Aug. 2026

Definition of maintenance

Noun

Sudan’s ongoing war is threatening the integrity of its ancient Meroe pyramids, a UNESCO World Heritage Site known for its unique and angular architecture, as preservation efforts have completely halted.

— ABC News, ABC News, 6 Aug. 2026
While officials say the measures are purely precautionary and not prompted by structural concerns, preservation experts have questioned whether the potential impact on nearby cultural sites has been fully assessed.

— George Nelson, ARTnews.com, 6 Aug. 2026

Definition of preservation

Noun

States set policy guardrails States are increasingly stepping in to set limits on HOA authority when private rules conflict with broader public interests related to renewable energy, wildlife conservation and water-saving landscaping.

— Daniel Kramer, The Conversation, 3 Aug. 2026
While conservation measures were initially voluntary, Magyar’s government on Saturday issued a decree allowing for them to be made mandatory for large industrial or commercial consumers.

— Justin Spike, Fortune, 3 Aug. 2026

Definition of conservation

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.

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sustenance

sustentation

sustentations

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“Sustentation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sustentation. Accessed 8 Aug. 2026.

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Synonyms of sustentation

noun

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