ob·​so·​les·​cent | \ ˌäb-sə-ˈle-sᵊnt How to pronounce obsolescent (audio) \

Definition of obsolescent

: going out of use : becoming obsolete

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Other Words from obsolescent

obsolescently adverb

Examples of obsolescent in a Sentence

Recent Examples on the Web Vecchio said the engine's hookup to the governor system did not match up due to the obsolescent nature of the parts. Beth Mlady, cleveland, "Brook Park council authorizes emergency repairs to 1994 fire truck," 13 Dec. 2019 Thousands of deficient and structurally obsolescent bridges are languishing across the nation. Sam Wood, Philly.com, "Pa. steel girding the replacement Tappan Zee bridge," 25 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'obsolescent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of obsolescent

1755, in the meaning defined above

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Time Traveler for obsolescent

Time Traveler

The first known use of obsolescent was in 1755

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Cite this Entry

“Obsolescent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/obsolescent. Accessed 20 Jan. 2021.

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How to pronounce obsolescent (audio)

English Language Learners Definition of obsolescent

: no longer useful : becoming obsolete

More from Merriam-Webster on obsolescent

Thesaurus: All synonyms and antonyms for obsolescent

Nglish: Translation of obsolescent for Spanish Speakers

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