n. The state of being extraneous or inessential and irrelevant; extrinsic.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. unrelatedness by virtue of falling outside the matter at hand
Word Usage
"They seem to insist on their radical extraneousness to human concern, on the way in which they simply do not matter — to the plot of this poem, to the scene in which they are posited."