"erode" in the verb sense
1. erode, gnaw, gnaw at, eat at, wear away
become ground down or deteriorate
"Her confidence eroded"
2. erode, eat away, fret
remove soil or rock
"Rain eroded the terraces"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License