obsolescence

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obsolescence

/ˌɒb.səˈlɛs.əns/ UK
/ˌɑb.səˈlɛs.əns/ Atlantic Canada, US
/ˌɒb.səˈlɛs.əns/ Canada, dialectal
/ˌɔb.səˈles.əns/ Australia
/ˌɒb.səˈles.əns/ New Zealand
[ˌɔ̟b.səˈles.əns] New Zealand

Rhymes with -ɛsəns

noun obsolescences

uncountable The state of being obsolete—no longer in use; gone into disuse; disused or neglected. Apart from this feature the Trichoptera also differ from the typical Neuroptera in the relatively simple, mostly longitudinal neuration of the wings, the absence or obsolescence of the mandibles and the semi-haustellate nature of the rest of the mouth-parts.
Similar: desuetude, obsoleteness, obsoletion
countable The process of becoming obsolete, outmoded or out of date. Shared obsolescences can be of some significance when connected with a functional replacement. If two languages replace an earlier word for 'nose' with some other term and also lose the traditional term, this double agreement is of significance for judging the existence of a common historical period

Thesaurus

noun

Translations

Every language

noun state

Español	obsolescencia
Português	obsolescência
Français	obsolescence, désuétude
Deutsch	Obsoleszenz, Veraltetsein
Italiano	obsolescenza
العربية	تَقَادُم taqādum

noun process

العربية	تَقَادُم taqādum

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MLA

"obsolescence." Wiktionary, via Micwyn, micwyn.com/word/obsolescence. Accessed 6 Nov. 2026.

APA

obsolescence. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/obsolescence

Chicago

"obsolescence." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/obsolescence.

BibTeX

@misc{obsolescence_2026,
  title = {obsolescence},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/obsolescence},
  urldate = {2026-11-06}
}