[ ob-suh-les-uh ns ]
/ ˌɒb səˈlɛs əns /


the state, process, or condition of being or becoming obsolete.

Origin of obsolescence

First recorded in 1820–30; obsolesc(ent) + -ence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for obsolescence

Cultural definitions for obsolescence

[ (ob-suh-les-uhns) ]

A decline in the value of equipment or of a product brought about by an introduction of new technology or by changes in demand. (See planned obsolescence.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.