obsolescence noun

/ˌɒb.səˈles.ənt s/

/ˌɑːb-/ n [U]

Definition

the quality of being obsolete

Mobile phone technology is developing so quickly that many customers are concerned about obsolescence.

built-in/planned obsolescence

when a product is intentionally designed and made so that it will not last for a long time

(Definition of obsolescence noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

to worry

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