Dictionary
de•te•ri•o•rate
Pronunciation: (di-tēr'ē-u-rāt"), [key]—
v.t., v.i., -rat•ed, -rat•ing.
1. to make or become worse or inferior in character, quality, value, etc.
2. to disintegrate or wear away.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.