Adjacent Words

obsolescence definitions

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WordNet (r) 3.0 (2005)

n
1: the process of becoming obsolete; falling into disuse or becoming out of date; "a policy of planned obsolescence"

Merriam Webster's

noun Date: circa 1828 the process of becoming obsolete or the condition of being nearly obsolete <the gradual obsolescence of machinery> <reduced to obsolescence>

Webster's 1913 Dictionary

Obsolescence Ob`so*les"cence, n. [See Obsolescent.] The state of becoming obsolete.

Collin's Cobuild Dictionary

Obsolescence is the state of being no longer needed because something newer or more efficient has been invented. The aircraft was nearing obsolescence by early 1942.