As an adjective unimpaired
is not impaired.
As a noun integrity is
steadfast adherence to a strict moral or ethical code.
Steadfast adherence to a strict moral or ethical code.
The state of being wholesome; unimpaired
The quality or condition of being complete; pure
(cryptography) With regards to data encryption, ensuring that information is not altered by unauthorized persons in a way that is not detectable by authorized users.
(aviation) The ability of a system to provide timely warnings to users when they should not be used for navigation.
* integrous (very rare)