unqualify

un- +‎ qualify

unqualify (third-person singular simple present unqualifies, present participle unqualifying, simple past and past participle unqualified)

1. (transitive) To disqualify.
   • November 2, 1710, Jonathan Swift, The Examiner, Number 13

     the French, who rejoice in these changes, and by the fall of our credit, which unqualifies us for carrying on the war

2. (transitive) To remove some qualification or specialization from.
   • 2012, Kaare Christian, A Guide to Modula-2, page 179:

     When a global MODULE'S wares are imported, the FROM phrase can be used to unqualify the names.

• unqualification