mushroom
noun
any of various fleshy fungi including the toadstools, puffballs, coral fungi, morels, etc.
had mushroomed
-
past perfectof mushroom.past perfect
Used to express a completed action that took place before another specific past action occurred.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
By the end of 2023, head count had mushroomed to nearly 13,000.
From The Wall Street Journal ● Mar. 3, 2026
Kim said that by the end of the fiscal year that concluded in June, the university’s deficit had mushroomed to more than $200 million, a notable increase from $158 million a year earlier.
From Los Angeles Times ● Jul. 15, 2025
Academics said the fraud had mushroomed during the COVID-19 pandemic, while legislation in the United States and European Union remained unable to combat it.
From Reuters ● Feb. 9, 2022
By 2017, the school’s annual rent had mushroomed to more than $300,000.
From New York Times ● Dec. 1, 2017
Presently they came to an enormous dust cloud that had mushroomed out over the trees.
From Danger in Deep Space by Louis Glanzman
