Sustainable

//səˈsteɪnəbəl// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A renewable energy source.

    "It has only been in the last 20 years that the long-term trend away from fossil fuels and toward nuclear energy and sustainables has intensified."

Adjective
  1. 1
    Able to be sustained.
  2. 2
    Able to be produced or sustained for an indefinite period without damaging the environment, or without depleting a resource; renewable.

    "sustainable economy"

Adjective
  1. 1
    capable of being sustained wordnet

Synonyms

All synonyms
demonstrableprovablesupportabletolerableverifiableviable

Example

More examples

"Sustainable development is the concept of the current generation utilizing the environment and meet human demands while not harming the ability of future generations to satisfy their own demands and interests."

Etymology

From sustain + -able.

Related phrases

sustainable developmentsustainable tourist

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.