obsolescence

English Thesaurus

1. the process of becoming obsolete; falling into disuse or becoming out of date (noun.process)

hypernym	:	degeneration, devolution,
definition	:	the process of declining from a higher to a lower level of effective power or vitality or essential quality (noun.process)

derivation	:	obsolesce,
definition	:	become obsolete, fall into disuse (verb.change)

derivation	:	obsolescent,
definition	:	becoming obsolete (adj.all)

derivation	:	obsolesce,
definition	:	become obsolete, fall into disuse (verb.change)

derivation	:	obsolescent,
definition	:	becoming obsolete (adj.all)