unimagine
/ˌʌnɪˈmæɡɪn/Definitions
1. verb
to imagine or picture something as impossible or unfeasible
“The architect struggled to unimagine the grandiose skyscraper design in the context of the small town’s zoning laws.”
2. noun
the act of imagining something as impossible or unfeasible
“The architect’s unimagination of the design led to a series of failed revisions.”