adjective sus·tain·able \sə-ˈstā-nə-bəl\

: able to be used without being completely used up or destroyed

: involving methods that do not completely use up or destroy natural resources

: able to last or continue for a long time

Full Definition of SUSTAINABLE

:  capable of being sustained
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>
sus·tain·abil·i·ty \-ˌstā-nə-ˈbi-lə-tē\ noun
sus·tain·ably \-ˈstā-nə-blē\ adverb


  1. <a line of argument that is probably not sustainable in a public forum against skilled debaters>
  2. <has no sustainable claim to the property without a deed or some other document>

First Known Use of SUSTAINABLE

circa 1727

Other Ecology Terms

Malthusian, anthropogenic, biomass, carbon footprint, crepuscular, niche, sere, symbiosis, taiga, tundra


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