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			| 1.
								the occurrence of a change for the worse 2.
								a symptom of reduced quality or strength
 3.
								the condition of being unable to perform as a consequence of physical or mental unfitness
 hearing impairment
 4.
								damage that results in a reduction of strength or quality
 5.
								the act of making something futile and useless (as by routine)
 
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