symbiotic

adjective

sym·​bi·​ot·​ic ˌsim-bē-ˈä-tik How to pronounce symbiotic (audio)
: relating to or marked by symbiosis:
a
: characterized by, living in, or being a close physical association (as in mutualism or commensalism) between two or more dissimilar organisms
The truffle is a … fungus that forms a symbiotic relationship with its host tree.Robb Walsh
Termites harbor diverse symbiotic gut microorganisms, the majority of which are as yet uncultivable and their interrelationships unclear.Yuichi Hongoh et al.
b
: characterized by or being a close, cooperative, or interdependent relationship
Today, art advisers are as diverse as the clients they help. They often work alone and form intimate, symbiotic relationships with the people they serve.Deborah Gimelson
Sigal's study … illustrates how reporters' constant need for news and how government officials' need for publicity and favorable coverage for their agencies combine into a symbiotic relationship between Washington reporters and officials.Charles R. Wright
symbiotically adverb
Some species of clams … live symbiotically with sulfur-loving bacteria: the bacteria, which live on the clams' gills, get sulfide from the clams, and the clams, in turn, feed on the bacteria. Natural History
The irony is that the Pentagon and the Soviet Defense Ministry prosper symbiotically. Arthur M. Schlesinger, Jr.

Examples of symbiotic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While many artists rightfully worry about AI's extractive tendencies, research published in Harvard Business Review indicates that AI tools can potentially amplify rather than merely extract creative capacity, suggesting that a symbiotic relationship is possible under the right conditions. ArsTechnica, 25 Apr. 2025 Heat stress causes corals, iconic marine invertebrates, to expel the symbiotic algae that live in their tissues and lose their vibrant colors and vital nutrients in the process. Sara Hashemi, Smithsonian Magazine, 24 Apr. 2025 The film explores the idea that twins have a sort of symbiotic connection and the parasitic relationship that entails. Barry Levitt, Vulture, 18 Apr. 2025 Job Evolution The relationship between AI technology and IT technicians isn't competitive but symbiotic. Tal Dagan, Forbes.com, 7 Apr. 2025 See All Example Sentences for symbiotic

Word History

Etymology

symbi(osis) + -otic entry 1, probably after German symbiotisch

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of symbiotic was in 1875

Browse Nearby Words

Cite this Entry

“Symbiotic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/symbiotic. Accessed 29 Apr. 2025.

Medical Definition

symbiotic

adjective
sym·​bi·​ot·​ic ˌsim-ˌbī-ˈät-ik How to pronounce symbiotic (audio) -bē- How to pronounce symbiotic (audio)
variants also symbiotical
: relating to, characterized by, living in, or resulting from a state of symbiosis
symbiotically adverb

More from Merriam-Webster on symbiotic

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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