v. t. | 1. | To make worse; to make inferior in quality or value; to impair; [ |
v. i. | 1. | To grow worse; to be impaired in quality; to degenerate. |
Verb | 1. | deteriorate - become worse or disintegrate; "His mind deteriorated" |
2. | deteriorate - grow worse; "Her condition deteriorated"; "Conditions in the slums degenerated"; "The discussion devolved into a shouting match" Antonyms: |