hotbed

noun

hot·​bed ˈhät-ˌbed How to pronounce hotbed (audio)
1
: a bed of soil enclosed in glass, heated especially by fermenting manure, and used for forcing or for raising seedlings
2
: an environment that favors rapid growth or development
a hotbed of activity

Examples of hotbed in a Sentence

a hotbed of political unrest prerevolutionary Boston was viewed as a hotbed of treason by the British
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.
Rasheed was mostly raised by a single mother who struggled financially, in San Diego’s Skyline neighborhood, infamous for being a hotbed of gang activity. Théoden Janes, Charlotte Observer, 9 Sep. 2025 Georgia is a hotbed for youth baseball, but Condon was not considered a hot prospect while playing high school baseball at The Walker School in Marietta, Ga. Patrick Saunders, Denver Post, 6 Sep. 2025 Our story reported that one country was a hotbed of risky selfies. Kamala Thiagarajan, NPR, 31 Aug. 2025 Illinois has long been a hotbed of labor union activism dating back to the 1880s. Charles Selle, Chicago Tribune, 27 Aug. 2025 See All Example Sentences for hotbed

Word History

First Known Use

1626, in the meaning defined at sense 1

Time Traveler
The first known use of hotbed was in 1626

Cite this Entry

“Hotbed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hotbed. Accessed 14 Sep. 2025.

Kids Definition

hotbed

noun
hot·​bed ˈhät-ˌbed How to pronounce hotbed (audio)
1
: a heated bed of soil enclosed in glass and used for growing seedlings
2
: an environment that favors rapid growth or development
a hotbed of innovation

More from Merriam-Webster on hotbed

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!