sustenance

noun

sus·​te·​nance ˈsə-stə-nən(t)s 

1

a

: means of support, maintenance, or subsistence : living

b

: food, provisions

also : nourishment

2

a

: the act of sustaining : the state of being sustained

b

: a supplying or being supplied with the necessaries of life

3

: something that gives support, endurance, or strength

Synonyms of sustenance

• food
• nourishment

Examples of sustenance in a Sentence

Tree bark provides deer with sustenance in periods of drought.

The village depends on the sea for sustenance.

She draws spiritual sustenance from daily church attendance.

Recent Examples on the Web

The meal is regrettable and adds only a little sustenance at best. —Jake Angelo, Fortune, 1 Mar. 2026

Patrons grab coladas and cortaditos to kick-start their mornings, while others wolf down breakfast platters for sustenance or arrive on their lunch breaks for pan con bistec or Cuban sandwiches, maybe a burger or palomilla steak. —Miami Herald, 1 Mar. 2026

Deer are very docile animals and are simply looking for sustenance in terms of food and water. —Reader Commentary, Baltimore Sun, 28 Feb. 2026

On a recent Sunday afternoon at a South Austin coffee shop, Hinojosa downed a bright orange vitamin C drink, her only sustenance after a quick Mexican breakfast between stops hours earlier. —Karen Brooks Harper austin Bureau, Dallas Morning News, 26 Feb. 2026

Word History

Etymology

Middle English, from Anglo-French, from sustenir

First Known Use

14th century, in the meaning defined at sense 1a

Kids Definition

sustenance

noun

sus·​te·​nance ˈsəs-tə-nən(t)s 

1

a

: means of support, maintenance, or existence

b

: nourishment sense 1

2

: the act of sustaining : the state of being sustained

especially : a supplying with the necessities of life

3

: something that gives support, help, or strength