Similar words: sadness, madness, badness, gladness, broadness, deadliness, pigheadedness, lightheadedness. Meaning: ['dednɪs] 
n. 1. the quality of being unresponsive; not reacting; as a quality of people, it is marked by a failure to respond quickly or with emotion to people or events 2. the physical property of something that has lost its elasticity 3. the inanimate property of something that has died.
n. 1. the quality of being unresponsive; not reacting; as a quality of people, it is marked by a failure to respond quickly or with emotion to people or events 2. the physical property of something that has lost its elasticity 3. the inanimate property of something that has died. 
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1, I've got an awful feeling this deadness will creep up and up and kill me - like Socrates.
2, The feeling of deadness returned to him, damping down the fear.
3, He objected to the deadness of the tennis balls.
4, In an instant all the deadness and withdrawal were wiped away.
5, Compared to human mortality,(http://sentencedict.com/deadness.html) spiritual deadness is much more devastating.
6, When we describe the moon as dead, we are describing the deadness in ourselves.
7, We've found the addition of the stainless inserts counteracts much of this potential deadness.
8, Deadness of soul is the only unpardonable crime, and if there is one thing happiness can do it is mask deadness of soul.
9, The descending of groundwater line due to soil water reducing was the main reason that resulted in the destruction and deadness of forests.
10, It will be almost impossible for you to realize such a condition of negativity and deadness.
11, Every time you don't follow your inner guidance, you feel a loss of energy, loss of power, a sense of spiritual deadness.
More similar words: sadness, madness, badness, gladness, broadness, deadliness, pigheadedness, lightheadedness, honest-to-goodness, blessedness, oldness, boldness, coldness, redness, candidness, oddness, lewdness, loudness, baldness, kindness, grandness, wildness, hardness, fondness, blandness, goodness, mildness, adnexa, soundness, sordidness.