obsolescence obsolescence  /ˌɑb sə ˈlɛ səns/


  • (n) the process of becoming obsolete; falling into disuse or becoming out of date


  1. Nagging the Air Force is a vast and worsening aircraft and missile obsolescence problem.
  2. Meanwhile, the computer industry, mired in its worst-ever sales slump, is desperate to dream up a compelling innovation that will put the forced back in forced obsolescence.


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astral astral
/ˈæ strəl /