eroded; eroding

transitive verb

1
: to diminish or destroy by degrees:
a
: to eat into or away by slow destruction of substance (as by acid, infection, or cancer)
b
: to wear away by the action of water, wind, or glacial ice
flooding eroded the hillside
c
: to cause to deteriorate or disappear as if by eating or wearing away
inflation eroding buying power
2
: to produce or form by eroding
glaciers erode U-shaped valleys

intransitive verb

: to undergo erosion
where the land has eroded away
erodibility noun
erodible adjective
or less commonly erodable

Examples of erode in a Sentence

Crashing waves have eroded the cliffs along the beach. The shoreline has eroded badly.
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.
Inflation is an inevitable economic reality that erodes your purchasing power over time. Prasanna Kumar, Forbes.com, 23 July 2025 But the context in which the show is premiering makes this a surreal project, where legal rights and principles we were once told were sacrosanct are being eroded. Nina Metz, Chicago Tribune, 23 July 2025 Although Powell was never accused of wrongdoing regarding the trading controversy, the episode led to stricter rules for central bank leaders and further eroded public confidence. Nick Lichtenberg, Fortune, 22 July 2025 In Vermont, the rivers make their way through topsoil and clay, which are easily eroded by the movement of the water, but the Guadalupe’s meanders and straight reaches are entrenched in bedrock. John Seabrook, New Yorker, 21 July 2025 See All Example Sentences for erode

Word History

Etymology

Latin erodere to eat away, from e- + rodere to gnaw — more at rodent

First Known Use

1612, in the meaning defined at transitive sense 1

Time Traveler
The first known use of erode was in 1612

Browse Nearby Words

Cite this Entry

“Erode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/erode. Accessed 29 Jul. 2025.

Kids Definition

erode

verb
eroded; eroding
1
a
: to destroy gradually by chemical means : corrode
b
: to wear away by or as if by the action of water, wind, or glacial ice
2
: to undergo erosion
Etymology

from Latin erodere "to eat away," from e- "away" and rodere "to gnaw" — related to rodent

Medical Definition

erode

transitive verb
eroded; eroding
1
: to eat into or away by slow destruction of substance (as by acid, infection, or cancer)
acids that erode the teeth
bone eroded by cancer
2
: to remove with an abrasive
a dental tool that erodes the decayed area

More from Merriam-Webster on erode

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!