The quality of being dense, especially in the sense of limited mental capacity.(noun)
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Use "denseness" in a sentence
"There were the melamine dishes, often used for camping and very similar in denseness to the bakelite of old."
"I am astonished at the denseness and negativity of your really senseless response."
"Bones for the Pudding Bobbin chair, $1,975, hollywoodathome.com To lighten up the upholstery's denseness — or "puddingness," as Mr. Dunham calls it — he introduced the wooden and rush furniture."