1. Worn away as by water, ice or wind
   "The eroded coastline revealed layers of ancient rock";
   - scoured

1. Remove soil or rock
   "Rain eroded the terraces";
   - eat away, fret
    
2. Become ground down or deteriorate
   "Her confidence eroded";
   - gnaw, gnaw at, eat at, wear away

See also: worn

Type of: crumble, damage, decay, dilapidate

Encyclopedia: Eroded