wearout
noun[U]
uk/ˈweəraʊt/usMARKETING
asituationin which anadvertisementhas been used so much that it is nolongereffective:
Thepossibilitiesforovercomingtheeffectsof wearout aredependentupon thepatternofaudienceresponses.
asituationin which aproductcan nolongerbe used because it hasbecomedamagedafter having been used for aperiodoftime:
Afterservicelivesof 15 or 20years,replacementsystemswereplannedtoarrivebefore theaddedcostsof wearout.