unsubstantive

adjective3

1. •
   Not having any material substance.

   • Nests are formed by the removal of soil to create an unsubstantive space. — 2006
2. •
   Not having any factual substance.

   • Labour dismisses Cameron's interest in the environment as a cynical and unsubstantive part of his attempt to decontaminate the Tory brand. — 2009
3. •
   Not having the form of a noun.