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Synonyms

sustenance

American  
[suhs-tuh-nuhns] / ˈsʌs tə nəns /

noun

  1. means of sustaining or supporting life or health; nourishment, especially food and drink.

    The small farm provided sustenance for the family of four during tough times.

  2. one's means of livelihood.

    Buying handmade cloth from weavers ensures their sustenance.

  3. something that sustains or comforts, especially a source of spiritual support.

    He is strong and peaceful and confident in the love of Jesus Christ, which is his sustenance right now.

  4. the process of sustaining.

    Critical journalism has played an invaluable role in the sustenance of democratic governance in Nigeria.

  5. the state of being sustained.

    Forest-clearing technology may be viewed as a useful tool contributing to human sustenance and self-sufficiency.


sustenance British  
/ ˈsʌstənəns /

noun

  1. means of sustaining health or life; nourishment

  2. means of maintenance; livelihood

  3. Also: sustention.  the act or process of sustaining or the quality of being sustained

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonsustenance noun
  • self-sustenance noun
  • sustenanceless adjective

Etymology

Origin of sustenance

First recorded in 1250–1300; Middle English sustenaunce, sustinaunce, from Anglo-French sustenance, from Old French sostenance; sustain, -ance

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Pro tip: If you’re driving, leave yourself some snacks that won’t melt and some waters in the car so you have some sustenance if you do get stuck.

From Los Angeles Times • Apr. 1, 2026

Floreana's native species, Chelonoidis niger niger, was driven to extinction in the 1840s by sailors who took thousands from the island for sustenance during long voyages.

From BBC • Feb. 21, 2026

Eagles typically only visit Big Bear to find food in the winter when their normal sources of sustenance have frozen over, according to the Friends of Big Bear Valley.

From Los Angeles Times • Feb. 12, 2026

What unites these cuisines isn’t a single dish, but a mindset: cooking according to season, stretching resources, and prioritizing sustenance over spectacle.

From Salon • Jan. 24, 2026

In truth, I ponder them daily, but once a year I allow them to be my sole sustenance.

From "Scythe" by Neal Shusterman