no longer in general use; fallen into disuse: an obsolete expression.
of a discarded or outmoded type; out of date: an obsolete battleship.
(of a linguistic form) no longer in use, especially, out of use for at least the past century.: Compare archaic.
effaced by wearing down or away.
Biology. imperfectly developed or rudimentary in comparison with the corresponding character in other individuals, as of a different sex or of a related species.
to make obsolete by replacing with something newer or better; antiquate: Automation has obsoleted many factory workers.
- ob·so·lete·ly, adverb
- ob·so·lete·ness, noun
- non·ob·so·lete, adjective
- sub·ob·so·lete, adjective
- sub·ob·so·lete·ly, adverb
- sub·ob·so·lete·ness, noun
- un·ob·so·lete, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use obsolete in a sentence
At the same time California increased the requirements on how effective the city’s stormwater system needs to be, the city’s system became obsolete, its population grew and the impacts of climate change grew more severe.Morning Report: The Stormwater Deficit Is a Big Deal | Voice of San Diego | February 8, 2021 | Voice of San Diego
The emergence of the variants raised the specter that the current generation of vaccines might be rendered obsolete before they have even been fully rolled out.New coronavirus variants accelerate race to make sure vaccines keep up | Carolyn Y. Johnson, Laurie McGinley, Joel Achenbach | January 26, 2021 | Washington Post
When the project first came up, commissioners asked questions about the data and how it would be stored but were generally positive in their comments — one even suggested that the new technology might someday make traffic engineers obsolete.The Port of San Diego Had Its Own Smart Streetlight Program | Jesse Marx | December 21, 2020 | Voice of San Diego
Fabiola Alvarez Yurcisin, who works with found and often obsolete materials, constructed a cage inside which such terms as “asylum,” “fear” and “wall” are reflected in a mirror.In the galleries: Perspectives on blending culture and identity | Mark Jenkins | December 11, 2020 | Washington Post
The US federal minimum wage is becoming increasingly obsolete.How much do America’s minimum-wage workers actually earn? | Michelle Cheng | December 10, 2020 | Quartz
But their weapons are becomingly increasingly obsolete—and that has some in the U.S. Air Force spooked.Pentagon Worries That Russia Can Now Outshoot U.S. Stealth Jets | Dave Majumdar | December 4, 2014 | THE DAILY BEAST
That data (collected in 2012 and 2013) is obsolete: Jesse Logan confirms both areas are “now showing significant mortality.”
The “Computer Rock” tunes, with references to BASIC programming, were almost immediately rendered obsolete.Schoolhouse Rock: A Trojan Horse of Knowledge and Power | Jason Lynch | September 6, 2014 | THE DAILY BEAST
And fashion editor Lynn Yaeger thinks print magazines are becoming "obsolete."Kate Hudson Defends Butt Implants; Cara Delevingne Is Designing For DKNY | The Fashion Beast Team | June 10, 2014 | THE DAILY BEAST
Yet the fact that innovation is a wonderful, exciting thing is cold comfort to the man who feels he has become obsolete.Millennials Have A Lot of Problems, But Tech Isn't One | Kristen Soltis Anderson | May 14, 2014 | THE DAILY BEAST
Life has few direr disenchanters than the morning smells of obsolete tobacco, relics though they be of hesternal beatitude.Tobacco; Its History, Varieties, Culture, Manufacture and Commerce | E. R. Billings.
Even in the same scene, time will alter every form, and render the exquisite polish of last year, obsolete rudeness next year.The Ladies' Book of Etiquette, and Manual of Politeness | Florence Hartley
Faith founded on ancient authority is active still, but promises to become obsolete.Man And His Ancestor | Charles Morris
He also revives obsolete words, without any apparent reason.
It is believed that after four years experience of administration in Mesopotamia they would now vote this theory obsolete.The Cradle of Mankind | W.A. Wigram
British Dictionary definitions for obsolete
out of use or practice; not current
out of date; unfashionable or outmoded
biology (of parts, organs, etc) vestigial; rudimentary
- obsoletely, adverb
- obsoleteness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012