Definition of "unpurpose"

unpurpose¹

noun
uncountable
1. (rare) Lack or absence of purpose; purposelessness.
  Quotations
  And being. Cant and braggart insolence, And inutility and thoughts which veer From purpose to unpurpose, and the sneer Upon the thin lips of experience, Flee from thy sight as snows when the intense Sun of forgotten summers greets the year.
  1909, Francis Gorham, The Lone Trail at Thirty
  Countless demolitions and re-edifications; a thorough unpurpose, so it seems, a thorough futility, that appears to be the truth and what could be more afflicting to an historian?
  1954, Austryn Wainhouse, Hedyphagetica
  A devil has his purpose. Between these Hangs my unpurpose. So vast is my unpurpose! So pure is its cause! Between me and my unpurpose Blooms God decisive Without laws.
  1958, José García Villa, Selected poems and new
  How could purpose grow out of unpurpose? In those questions lie the seeds of the argument from design and the romantic view of nature.
  1986, Roger J. Faber, Clockwork Garden
  Most people could not believe that was the purpose it served. It was more like an un-purpose.
  2007, Sean C. Cusack, High School Memoirs: A Journey In Surrealism
  “And unpurpose gives rise to purpose.”
  2011, Philip K. Dick, The VALIS Trilogy

unpurpose²

verb
third-person singular simple present unpurposes, present participle unpurposing, simple past and past participle unpurposed
1. (transitive) To deprive of a purpose; to remove or derail the purpose of.
  Quotations
  O, Goodness ! help me to unplan that plan, and to unpurpose that purpose !
  1854, Henry H. Tator, Brother Jonathan's Cottage
  Manifestly so; for by what likelihood Had I endured against fourteen knights all armed And purposed, I unpurposed and unarmed, Save innocency stood my friend?
  1906, Arthur Dillon, King Arthur Pendragon