erode

verb

i-ˈrōd 

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

i-ˌrō-də-ˈbi-lə-tē 

noun

erodible adjective

or less commonly erodable

i-ˈrō-də-bəl 

Synonyms

• bite (at)
• corrode
• eat
• fret
• gnaw
• nibble

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

When the Great Depression hit in the early 1930s, Hitler and his followers were ready to take advantage of the German people’s despair and to focus their attention on a scapegoat—the political left and the Jews—as support for centrist political parties eroded. —Christine Adams / Made By History, TIME, 5 Nov. 2024

Disruptions, whether due to shipping delays, supplier issues, or unforeseen events, can quickly erode brand trust and customer loyalty. —Gary Drenik, Forbes, 5 Nov. 2024

Polls earlier this fall showed support from Black men for Harris was eroding from President Joe Biden's numbers with the group, though Harris has appeared to regain ground. —Alexandra Hutzler, ABC News, 4 Nov. 2024

The film chronicles the Bad River Band of the Lake Superior Tribe of Chippewa’s fight to protect America’s largest freshwater source from an eroding Line 5 oil pipeline. —Kristen Tauer, WWD, 1 Nov. 2024

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

Kids Definition

erode

verb

i-ˈrōd 

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

i-ˈrōd 

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