the GNU version of the Collaborative International Dictionary of English
adj. Not aware; not noticing; giving no heed; thoughtless; inattentive.
ad. Unawares.
The Century Dictionary and Cyclopedia
Not aware; not heeding; heedless; unmindful: often used adverbially.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. (often followed by `of') not aware
Word Usage
"Pride At Work, for those who are unaware, is the gay union group so it makes sense that they would be quick to pump the rally since unions were one of the main organizers."