obsolesc
/ˌɒbsəˈlesɪnt, -ˈliːsɪnt/ or /ˌɒbsɒˈlesi/ or /ˌɒbɪˈlesi/ or /ˌɒbɪˈlesɪt/ or /ˌɒbsɪˈlesi/Definitions
1. verb
to become or make something obsolete
“The company’s products began to obsolesce as newer technology emerged.”
2. noun
the process of becoming or making something obsolete
“The obsolescence of the old computer system led to a significant upgrade.”
3. noun
a state or period of being or having become obsolete
“The museum highlighted the obsolescence of ancient technologies.”