Definition of obsolescence noun from the Oxford Advanced Learner's Dictionary

 

obsolescence

 noun
noun
BrE BrE//ˌɒbsəˈlesns//
 
; NAmE NAmE//ˌɑːbsəˈlesns//
 
[uncountable](formal)
 
jump to other results
the state of becoming old-fashioned and no longer useful products with built-in/planned obsolescence (= designed not to last long so that people will have to buy new ones)
See the Oxford Advanced American Dictionary entry: obsolescence