erosion

noun

ero·​sion i-ˈrō-zhən How to pronounce erosion (audio)
Synonyms of erosionnext
1
a
: the action or process of eroding
b
: the state of being eroded
2
: an instance or product of erosion
erosional adjective
erosionally adverb

Examples of erosion in a Sentence

Landscapers planted grass to stop the erosion of the hillside. Centuries of erosion by wind have carved grooves in the rocks.
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.
The erosion of safety commitments has become an industry norm. Ronan Farrow, New Yorker, 6 Apr. 2026 While the flowering shrub is useful for erosion control due to its ability to spread by rhizomes and seeds, the plant can quickly outcompete and displace native plants and should be avoided. Sj McShane, Martha Stewart, 5 Apr. 2026 The erosion of confidence in the war has been compounded by a series of domestic moves that are fueling discord and testing the limits of wartime solidarity. Tal Shalev, CNN Money, 5 Apr. 2026 Amid record anxiety about the future of work—and growing warnings about the potential erosion of white-collar careers—one unlikely field may be getting the last laugh. Preston Fore, Fortune, 5 Apr. 2026 See All Example Sentences for erosion

Word History

First Known Use

1541, in the meaning defined at sense 1a

Time Traveler
The first known use of erosion was in 1541

Browse Nearby Words

Cite this Entry

“Erosion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/erosion. Accessed 6 Apr. 2026.

Kids Definition

erosion

noun
ero·​sion i-ˈrō-zhən How to pronounce erosion (audio)
: the action or process of eroding : the state of being eroded
erosional
-ˈrōzh-nəl How to pronounce erosion (audio)
-ˈrō-zhən-ᵊl
adjective

Medical Definition

erosion

noun
ero·​sion i-ˈrō-zhən How to pronounce erosion (audio)
1
a
: the superficial destruction of a surface area of tissue (as mucous membrane) by inflammation, ulceration, or trauma
erosion of the uterine cervix
b
: progressive loss of the hard substance of a tooth
2
: an instance or product of erosion
a circular erosion on the skin

More from Merriam-Webster on erosion

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