unproof

Etymology 1
From.

Noun

 * 1) Absence or lack of proof or evidence; prooflessness.
 * 2) That which is not proven.
 * 1) That which is not proven.
 * 1) That which is not proven.
 * 1) That which is not proven.

Etymology 2
From.

Verb

 * 1)  To undo the proofing of; expose to the possibility of failure.