root rot

noun

: any of various plant diseases characterized by decay of the roots and caused especially by fungi

Examples of root rot in a Sentence

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.
Avoid overwatering plants, which can lead to root rot. Kim Toscano, Southern Living, 19 Feb. 2026 Keep in mind that mites, bagworms, and root rot can be common issues when growing Italian cypress, says Abdi. Madeline Buiano, Martha Stewart, 17 Feb. 2026 With pumpkin's need for more water, any nearby rosemary can fall victim to mildew from the pumpkin plant, on top of root rot. Ashlyn Needham, The Spruce, 16 Feb. 2026 Wet soil could raise concerns for planters about root rot, fungal disease and erosion. Kelli Arseneau, jsonline.com, 13 Feb. 2026 See All Example Sentences for root rot

Word History

First Known Use

1831, in the meaning defined above

Time Traveler
The first known use of root rot was in 1831

Browse Nearby Words

Cite this Entry

“Root rot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/root%20rot. Accessed 23 Feb. 2026.

More from Merriam-Webster on root rot

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!

More from Merriam-Webster