1. inconceivability, inconceivableness - the state of being impossible to conceive
   --₁ is a kind of impossibility, impossibleness
   

Example Sentences:

• Her intelligence and vast knowledge of the universe give her speeches an air of inconceivableness.
• The complexity of the quantum theory often leads to a sense of inconceivableness for many students.

Example Sentences:

• The inconceivableness of the news took everyone by surprise.
• Winning the lottery seemed to be an inconceivableness until it actually happened.

Example Sentences:

• The inconceivableness of her actions left everyone in shock.
• The concept of time travel still holds a sense of inconceivableness in the scientific community.