Search Result for "disimprove": 

The Collaborative International Dictionary of English v.0.48:

Disimprove \Dis`im*prove"\, v. t. To make worse; -- the opposite of improve. [R.] --Jer. Taylor. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Disimprove \Dis`im*prove"\, v. i. To grow worse; to deteriorate. [1913 Webster]