erode

definition: 
(Of wind, water, or other natural agents) gradually wear away (soil, rock, or land):
sentence: 
The cliffs on this coast have been eroded by the sea.
Text messages provide a space that shields lovers from eavesdropping friends and strangers, but they also erode privacy between the lovers themselves.
difficulty: 
easy
toefl frequency: 
2
toefl classification: 
adverb: 
adjective: 
adverb sentence: 
adjective sentence: 
verb: 
erode
verb sentence: 
noun: 
erosion
noun sentence: 
It took millions of years of erosion for nature to form the Grand Canyon.