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
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Check 2025 and past exhibitions here. IN VOGUE WITH NATURE Fashion and nature have long shared a symbiotic relationship, where beauty and creativity flourish through inspiration drawn from the natural world. Daniel Rodríguez Gordillo, Vogue, 29 Jan. 2025 The study's implications stretch from evolutionary biology to potential applications in medicine, agriculture and biotechnology, where harnessing symbiotic relationships might drive innovation. Barbara A. Perry, Newsweek, 27 Jan. 2025 Everyone benefits from these symbiotic relationships, as food franchises use the shareability of #BeautyTok to sprinkle their branding into new markets. Boutayna Chokrane, WIRED, 18 Jan. 2025 These fungi also form symbiotic relationships with Pando’s roots, aiding in nutrient uptake and strengthening the tree’s resilience. Scott Travers, Forbes, 15 Jan. 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

Dictionary Entries Near symbiotic

Cite this Entry

“Symbiotic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/symbiotic. Accessed 3 Feb. 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
Last Updated: - Updated example sentences
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