mushroom

1 of 2

noun

mush·​room ˈməsh-ˌrüm How to pronounce mushroom (audio)
-ˌru̇m;
 chiefly Northern and Midland US  -ˌrün;
 dialectal  ˈmə-shə-ˌrüm,
-ˌru̇m,
-ˌrün
1
a
: an enlarged complex aboveground fleshy fruiting body of a fungus (such as a basidiomycete) that consists typically of a stem bearing a pileus
especially : one that is edible
b
: fungus
2
3
: something resembling a mushroom

mushroom

2 of 2

verb

mushroomed; mushrooming; mushrooms

intransitive verb

1
a
: to well up and spread out laterally from a central source
b
: to become enlarged or extended : grow
2
: to collect wild mushrooms
3
: to spring up suddenly or multiply rapidly

Examples of mushroom in a Sentence

Noun cut up some mushrooms for the salad Verb Interest in local history is suddenly mushrooming. Her hobby mushroomed into a thriving business. He goes mushrooming in the spring every year.
Recent Examples on the Web
Noun
Yet fans of pineapple on pizza will be pleased with two choices: Hawaiian or Sleeping Beauty, with onions, mushrooms, Canadian bacon, red peppers, pineapple and pepperoni. Heidi Finley, Charlotte Observer, 16 Feb. 2024 This spring pasta dish is loaded with in-season sweet peas, mushrooms, and fresh chives. Sarah Martens, Better Homes & Gardens, 16 Feb. 2024 Her latest serum has water-attracting snow mushroom, plus watermelon and apple extracts, to instantly hydrate skin. Jackie Fields, Peoplemag, 15 Feb. 2024 This voyage is underscored by an unexpected triad: the majestic Smoky Mountains, the humble mushroom, and a supercomputer. Isabela Raygoza, Billboard, 14 Feb. 2024 The highlight is Kernel’s veggie burger, a blend of sweet potato, quinoa, chickpeas, kale, mushrooms, and oats, among other grains, legumes, and vegetables. Sam Stone, Bon Appétit, 14 Feb. 2024 According to the exhibition, modern kawaii culture was born in 1914 when artist and illustrator Yumeji Takehisa opened a shop in downtown Tokyo selling accessories and stationery with Western motifs such as mushrooms and castles designed to appeal to schoolgirls. Zara Khan, CNN, 14 Feb. 2024 Naturally occurring substances like psilocybin, found in certain mushrooms, can’t be patented by themselves. Matthew Perrone, Quartz, 5 Feb. 2024 In a Paris market this week, Moroccan clementines and Polish mushrooms cost about half the price of their French counterparts. Jade Le Deley, Fortune Europe, 3 Feb. 2024
Verb
And mushrooming feral cat populations put native species — particularly birds — at risk. María Luisa Paúl, Washington Post, 14 Feb. 2024 Novák did not address the pardon on X. She was forced to cut short her trip to Qatar and return to Budapest to address the mushrooming scandal. Benjamin Weinthal, Fox News, 10 Feb. 2024 Press coverage mushroomed, aided by some untraditional sources. Glenn Frankel, Washington Post, 4 Feb. 2024 The mini-summit caps a year of tensions over spy-balloon espionage and Beijing’s mushrooming nuclear arsenal; Taiwan, trade disputes, and theft of intellectual property; and intensifying influence-peddling across the Indo-Pacific and beyond. Robin Wright, The New Yorker, 14 Nov. 2023 The costs for that whole operation mushroomed and they could not be covered by the EU recovery plan funding [which was cut]. Nick Vivarelli, Variety, 17 Jan. 2024 Today, the industry that began just three decades ago as a handful of bingo parlors has mushroomed to include 85 Indian casinos across California — businesses that provide 124,000 jobs and add about $19 billion to the state economy annually, according to the American Gaming Assn. Louis Sahagún, Los Angeles Times, 23 Dec. 2023 The procedures have seen a revival since passage of the 2017 tax law and as cyber and cryptocurrency frauds have mushroomed. Michael Laris, Washington Post, 14 Dec. 2023 By then, the Comrades had mushroomed from a plucky little event with a few thousand participants each year into the world’s largest race longer than a marathon. Ryan Lenora Brown, New York Times, 11 Dec. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mushroom.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

Middle English musheron, from Anglo-French musherum, musseron, from Late Latin mussirion-, mussirio

First Known Use

Noun

15th century, in the meaning defined at sense 1a

Verb

1893, in the meaning defined at sense 1a

Time Traveler
The first known use of mushroom was in the 15th century

Dictionary Entries Near mushroom

Cite this Entry

“Mushroom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mushroom. Accessed 26 Feb. 2024.

Kids Definition

mushroom

1 of 2 noun
mush·​room ˈməsh-ˌrüm How to pronounce mushroom (audio)
-ˌru̇m
1
: a fleshy part of a fungus that bears spores, grows above ground, and consists usually of a stem bearing a flattened cap
especially : one that is edible
2

mushroom

2 of 2 verb
: to appear or develop suddenly or increase rapidly
the population mushroomed

Medical Definition

mushroom

noun
1
: an enlarged complex fleshy fruiting body of a fungus (as most basidiomycetes) that arises from an underground mycelium and consists typically of a stem bearing a spore-bearing structure
especially : one that is edible compare toadstool
2

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