The state of being extraneous or inessential and irrelevant; extrinsic.(noun)
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Use "extraneousness" in a sentence
"Now it's been quite a year of overhyped extraneousness, hasn't it?"
"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."
"But if the use of Italian _novelle_ as the basis of plots was an evil that has given an air of unreality and extraneousness to the whole of"