atrophy

definition: any weakening or degeneration (especially through lack of use)
example:
speech part: noun
synonyms: withering
definition: a decrease in size of an organ caused by disease or disuse
example:
speech part: noun
synonyms: wasting wasting away
definition: to weaken or degenerate
example: Muscles that are not used will atrophy.
speech part: verb
synonyms:

atrophy is explained and pronounced

How atrophy is being used?