obsolescent

[ ob-suh-les-uh nt ]
/ ˌɒb səˈlɛs ənt /
SEE SYNONYMS FOR obsolescent ON THESAURUS.COM

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becoming outdated or outmoded, as machinery or weapons.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

archaic obsolescent obsolete obsolescent obsolete

Words nearby obsolescent

obsidian dating, obsidional coin, obsolesc., obsolesce, obsolescence, obsolescent, obsolete, obstacle, obstacle course, obstacle race, obstet.

Words related to obsolescent

out-of-date, senescent

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becoming obsolete or out of date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, noun obsolescently, adverb

Word Origin for obsolescent

C18: from Latin obsolescere; see obsolete