obsolescent

[ ob-suh-les-uhnt ]
/ ˌɒb səˈlɛs ənt /

adjective

becoming obsolete; passing out of use, as a word: an obsolescent term.
becoming outdated or outmoded, as machinery or weapons.
Biology. gradually disappearing or imperfectly developed, as vestigial organs.

Origin of obsolescent

First recorded in 1745–55, obsolescent is from the Latin word obsolēscent- (stem of obsolēscēns, present participle of obsolēscere to fall into disuse). See obsolete, -escent

OTHER WORDS FROM obsolescent

ob·so·les·cent·ly, adverb

WORDS THAT MAY BE CONFUSED WITH obsolescent

1. archaic, obsolescent , obsolete; 2. obsolescent , obsolete.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for obsolescent

British Dictionary definitions for obsolescent

obsolescent
/ (ˌɒbsəˈlɛsənt) /

adjective

becoming obsolete or out of date

Derived forms of obsolescent

obsolescence, nounobsolescently, adverb

Word Origin for obsolescent

C18: from Latin obsolescere; see obsolete
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