This shows grade level based on the word's complexity.
obsolescent
[ ob-suh-les-uhnt ]
/ ˌɒb səˈlɛs ənt /
Save This Word!
This shows grade level based on the word's complexity.
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becoming outdated or outmoded, as machinery or weapons.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.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachImprove Your Writing
Origin of obsolescent
OTHER WORDS FROM obsolescent
ob·so·les·cent·ly, adverbWords nearby obsolescent
obsidian dating, obsidional coin, obsolesc., obsolesce, obsolescence, obsolescent, obsolete, obstacle, obstacle course, obstacle race, obstet.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use obsolescent in a sentence
British Dictionary definitions for obsolescent
obsolescent
/ (ˌɒbsəˈlɛsənt) /
adjective
becoming obsolete or out of date
Derived forms of obsolescent
obsolescence, nounobsolescently, adverbWord 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