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.
Christmas cacti often need more water when their flower buds are forming, though overwatering them may lead to root rot and other issues. Lauren Landers, Better Homes & Gardens, 5 Nov. 2025 The plants do not like drying out, but too much water will cause parsley to turn yellow and develop root rot. Brandee Gruener, Southern Living, 1 Nov. 2025 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 9 Nov. 2025.

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!