self-sustaining

adjective
self-sus·​tain·​ing | \ ˌself-sə-ˈstā-niŋ How to pronounce self-sustaining (audio) \

Definition of self-sustaining

1 : maintaining or able to maintain oneself or itself by independent effort a self-sustaining community
2 : maintaining or able to maintain itself once commenced a self-sustaining nuclear reaction

First Known Use of self-sustaining

1797, in the meaning defined at sense 1

Keep scrolling for more

Learn More about self-sustaining

Statistics for self-sustaining

Look-up Popularity

Time Traveler for self-sustaining

The first known use of self-sustaining was in 1797

See more words from the same year

More from Merriam-Webster on self-sustaining

Rhyming Dictionary: Words that rhyme with self-sustaining

Thesaurus: All synonyms and antonyms for self-sustaining

Comments on self-sustaining

What made you want to look up self-sustaining? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

incapable of being surmounted or overcome

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!