disimprove

from 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]
from The Collaborative International Dictionary of English v.0.48
Disimprove \Dis`im*prove"\, v. i.
   To grow worse; to deteriorate.
   [1913 Webster]
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