fungus

noun, often attributive
fun·​gus | \ ˈfəŋ-gəs \
plural fungi\ ˈfən-​ˌjī , ˈfəŋ-​ˌgī \ also funguses\ ˈfəŋ-​gə-​səz \

Definition of fungus

: any of a kingdom (Fungi) of saprophytic and parasitic spore-producing eukaryotic typically filamentous organisms formerly classified as plants that lack chlorophyll and include molds, rusts, mildews, smuts, mushrooms, and yeasts

Examples of fungus in a Sentence

Recent Examples on the Web

In some yellow and pink areas, microscopic examination revealed spores of fungi from the genus Cladosporium. Kiona N. Smith, Ars Technica, "What’s eating this 400-year-old painting? A whole ecosystem of microbes," 11 Dec. 2018 Mycorrhiza are extremely tiny fungi themselves, made of microscopic threads called hyphae. David Grossman, Popular Mechanics, "An Alliance of Plants and Fungus Could Be the Key to Farming in Space," 19 Oct. 2018 Treatment involves emergency surgery and antifungal medication before the fungus invades the eyes or brain, per the Cleveland Clinic. Amy Marturana, SELF, "What Your Snot Can Tell You About Your Health," 26 Dec. 2018 In one instance, a shipment of a harmful fungus was lost — and, according to the FBI, destroyed — in transit. R. Daniel Bressler, Vox, "“Designer bugs”: how the next pandemic might come from a lab," 6 Dec. 2018 Such transfer has currently been documented between critters as different as fungi and insects, algae and sea slugs and, notoriously, between viruses and humans, often to our disadvantage. David P. Barash, WSJ, "‘The Tangled Tree’ Review: From Tiny Seeds," 9 Aug. 2018 To continue reading this story, TRY IT NOW The plants have been infected with foliage fungus and or spider mites. Calvin Finch, San Antonio Express-News, "It’s early, but you may want to pull your tomatoes now," 22 June 2018 The disease, which is caused by the fungus Ophidiomyces ophiodiicola, is a not a risk to people. Justin L. Mack, Indianapolis Star, "This fatal disease is disfiguring endangered Indiana snakes," 17 May 2018 Brady—who avoids white sugar, white flour, MSG, caffeine, fungus, dairy and nightshades—says that maintaining his diet allows him to enjoy an active lifestyle, on and off the field. Ana Calderone, PEOPLE.com, "Tom Brady Says He'll Never Let Up on His Rigorous Diet, Even When He’s Retired," 19 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fungus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fungus

1527, in the meaning defined above

History and Etymology for fungus

Latin

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Statistics for fungus

Last Updated

17 Jan 2019

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Time Traveler for fungus

The first known use of fungus was in 1527

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More Definitions for fungus

fungus

noun
fun·​gus | \ ˈfəŋ-gəs \
plural fungi\ ˈfən-​ˌjī, -​ˌgī \ also funguses

Kids Definition of fungus

: any member of the kingdom of living things (as mushrooms, molds, and rusts) that have no chlorophyll, must live in or on plants, animals, or decaying material, and were formerly considered plants

fungus

noun, often attributive
fun·​gus | \ ˈfəŋ-gəs \
plural fungi\ ˈfən-​ˌjī also ˈfəŋ-​ˌgī \ also funguses\ ˈfəŋ-​gə-​səz \

Medical Definition of fungus

1 : any of the kingdom Fungi of saprophytic and parasitic spore-producing eukaryotic typically filamentous organisms formerly classified as plants that lack chlorophyll and include molds, rusts, mildews, smuts, mushrooms, and yeasts
2 : infection with a fungus

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More from Merriam-Webster on fungus

Rhyming Dictionary: Words that rhyme with fungus

Spanish Central: Translation of fungus

Nglish: Translation of fungus for Spanish Speakers

Britannica English: Translation of fungus for Arabic Speakers

Britannica.com: Encyclopedia article about fungus

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