disuse
/dɪˈsuːz, dɪˈsjuːz/Definitions
1. noun
the state of not being used or employed; the act of stopping the use of something
“The museum’s collection fell into disuse due to lack of funding.”
2. verb
to stop using or employing something
“The new technology made many old machines obsolete and caused them to disuse.”
3. noun
a part of the body that is no longer used or is atrophied
“After the accident, she suffered from partial disuse of her left arm.”