the GNU version of the Collaborative International Dictionary of English
n. Want of importance; triviality.
The Century Dictionary and Cyclopedia
n. The character of being unimportant; want of importance, consequence, weight, value, or the like.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the state of being humble and unimportant
n. the quality of not being important or worthy of note
Word Usage
"This facility was not for the top leaders of American government; it was for those whose level of relative "unimportance" dictated that they probably wouldn't be able to get out in time but who still rated protection afforded no ordinary citizen."