unsolve

present singular third person unsolves · participle present unsolving · participle past unsolved · past unsolved

1. obsoleteTo solve.First known use 17th c.

   Perchance, my Fancy would have bin so kinde, / T‘ unsolve the doubts of my perplexed minde.

   1631, Francis Quarles, The History of Samson

   Synonyms: ravel, resolve, work out, absolve, decipher, get to the bottom of, iron out, meliorate

2. To undo or remove the solution to a problem; to put something into an unsolved state.

   Ethiopia and the Generation That Unsolves Problems.

   2011, Solomon Belay Faris, (title)

   1 more example

   “But I cannot allow you to use my cousin to solve or, I suppose, more precisely, to unsolve your case.”

   2001, Dave Rosi, One Good Deed

   Synonyms: unresolve