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

For Matt Damon, gluten is not the sustenance of heroes. —Edward Segarra, USA Today, 8 Jan. 2026

Years of overfishing had depleted their prey, and humans killed them for sustenance or in disputes over fish. —Katherine J. Wu, The Atlantic, 7 Jan. 2026

Dan Bujor, who lives out of a school bus parked in Long Island City, was arrested Sunday on charges including overdriving animals, torturing and injuring animals and failure to provide sustenance, in addition to driving without a license, in connection with the bizarre incident, cops said. —Roni Jacobson, New York Daily News, 6 Jan. 2026

Your car kit should include essentials for warmth, sustenance, safety and communication. —Brandi D. Addison, Freep.com, 31 Dec. 2025

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