Word for "not consciously aware of" [closed]

What's the word to convey the meaning "not consciously aware of"?


Solution 1:

Subliminal is defined as:

existing or functioning below the threshold of consciousness or below the threshold of conscious perception

A subliminal message is one that you may not be consciously aware of.

Solution 2:

Incognizant or incognisant, depending on whether you're concerned with English or US spelling.

http://www.thefreedictionary.com/incognisant