Definition of obsolescence in US English:

obsolescence

noun

  • The process of becoming obsolete or outdated and no longer used.

    ‘computers are infamous for their rapid obsolescence’
    ‘gunpowder brought about the obsolescence of many weapons’
    • ‘He uses an image from the process of photographic development, whose obsolescence is imminent due to the advent of digital photography.’
    • ‘Format obsolescence has been crucial to record companies, as it allows them to recycle their catalogs.’
    • ‘Organizations that commit to digital archiving should be acutely aware that they will need to upgrade their storage equipment every 7 to 10 years to avoid equipment obsolescence.’
    • ‘Most of the teaching aids displayed are in or on the brink of obsolescence.’
    • ‘Planned obsolescence within the fashion industry allows for perpetual consumption of new clothes that lose their value before ever losing practicality.’
    • ‘The company is almost guaranteed repeat purchasers as obsolescence is built in to each publication.’
    • ‘More than any other literary form, science fiction always courts obsolescence.’
    • ‘The rapid obsolescence of computer hardware has resulted in the early retirement of otherwise good equipment.’
    • ‘We encounter the unhappy possibility that the radio may be slated for obsolescence.’
    • ‘The ease and sophistication with which catalogues of books and journals can now be stored on computers is beginning to make even the most reliable of printed bibliographies look in danger of obsolescence.’

Pronunciation

obsolescence

/ˌäbsəˈlesəns//ˌɑbsəˈlɛsəns/