sustainable

adjective

sus·​tain·​able sə-ˈstā-nə-bəl 

1

: capable of being sustained

2

a

: of, relating to, or being a method of harvesting or using a resource so that the resource is not depleted or permanently damaged

sustainable techniques

sustainable agriculture

b

: of or relating to a lifestyle involving the use of sustainable methods

sustainable society

sustainability

sə-ˌstā-nə-ˈbi-lə-tē 

noun

sustainably

sə-ˈstā-nə-blē 

adverb

Synonyms

• justifiable

Examples of sustainable in a Sentence

a line of argument that is probably not sustainable in a public forum against skilled debaters

has no sustainable claim to the property without a deed or some other document

Recent Examples on the Web

In an industry constantly in search of the next big thing, often rendering the idea of artistry disposable, Gartland has thrived, carving out an identity while honing her craft methodically over time, building a sustainable and career. —Jim Ryan, Forbes.com, 2 Aug. 2025

Legumes and nuts, which are more sustainable proteins, made up less than 1% of total procurement by weight. —New Atlas, 2 Aug. 2025

This mattress wouldn’t be a good option for someone who is looking for an organic or sustainable mattress. —Audrey Lee, Architectural Digest, 1 Aug. 2025

The focus on partnerships with organizations and institutions demonstrates her strategic thinking about sustainable growth and amplified impact. —Sixteen Ramos, USA Today, 31 July 2025

Word History

First Known Use

1924, in the meaning defined at sense 1

Rhymes for sustainable

• trainable
• ascertainable
• unattainable
• unexplainable
• unobtainable
• unsustainable
• attainable
• explainable
• maintainable
• obtainable