- to make or become worse or inferior in character, quality, value, etc.
- to disintegrate or wear away.
Origin of deteriorate
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for deteriorating
She also tracks his deteriorating health through the harrowing videos of the captives regularly released by the Nusra Front.A Sunni-Shia Love Story Imperiled by al Qaeda
December 26, 2014
Soon, there were no civil society groups left to monitor the deteriorating situation with hostages and abductions.The 26-Year-Old Woman Searching for Ukraine’s Disappeared
June 17, 2014
“We got other accounts as well that his health was deteriorating,” he added.The Real Reason the U.S. Didn’t Rescue Bowe Bergdahl
June 5, 2014
The family feud over America's Top 40 host Casey Kasem's deteriorating health hit a meat-throwing new low this weekend.Casey Kasem's Family's Top 40 Meltdown Moments
June 3, 2014
On March 19, 2014, for example, a patient with a deteriorating heart condition requested to see a doctor.Exclusive: VA Scandal Hits New Hospital
May 19, 2014
She told herself that her three friends were deteriorating in their middle age.Life and Death of Harriett Frean
He holds that the human race is deteriorating mentally and morally.The Stark Munro Letters
J. Stark Munro
But it hasn't any of the deteriorating effect you were deprecating.The Convert
But it must be said that at this time the factory was deteriorating.The Tapestry Book
Helen Churchill Candee
The language has been moving since the first day of its formation; can it be said to be deteriorating?The Memoirs of Victor Hugo
- to make or become worse or lower in quality, value, character, etc; depreciate
- (intr) to wear away or disintegrate
Word Origin and History for deteriorating
1640s (as a past participle adjective, 1570s), from Late Latin deterioratus, past participle of deteriorare "get worse, make worse," from Latin deterior "worse, lower, inferior, meaner," contrastive of *deter "bad, lower," from PIE *de-tero-, from demonstrative stem *de- (see de). Originally transitive in English; intransitive sense is from 1758. Related: Deteriorated; deteriorating.
- To grow worse in function or condition.
- To weaken or disintegrate.