- to make or become worse or inferior in character, quality, value, etc.
- to disintegrate or wear away.
Origin of deteriorate
SynonymsSee more synonyms for deteriorate on Thesaurus.com
Examples from the Web for deteriorated
Dostum remains a power broker today, although his health has deteriorated from the effects of a hard life and heavy drinking.The Warlord Who Defines Afghanistan: An Excerpt From Bruce Riedel’s ’What We Won’
July 27, 2014
How could things in Ukraine have deteriorated to the point where Putin was now engaged in such a reckless act of aggression?Why Putin Let MH17 Get Shot Down
July 18, 2014
Her mother has mental-health problems, and physical-health problems, which deteriorated after a hit-and-run accident.Will Jordan Davis Become the First Transgender Miss England?
February 28, 2014
This was ironic since further south he had felt that contact with whites had “deteriorated all the tribes I have seen lately.”Dr. Livingstone, I Presume? The Victorian Explorer at 200
March 19, 2013
Security has deteriorated and we have to find ways to establish law and order.Libyan Government Turns to Ansar Al-Sharia Militia for Crime-Fighting Help
February 26, 2013
This change, if it deteriorated his mind, improved his exterior.Night and Morning, Complete
And will not men who are injured be deteriorated in that which is the proper virtue of man?
And dogs are deteriorated in the good qualities of dogs, and not of horses?
Deteriorated, that is to say, in the good qualities of horses, not of dogs?
Perhaps they had deteriorated, I said unwillingly to myself.Notes on Life and Letters
- to make or become worse or lower in quality, value, character, etc; depreciate
- (intr) to wear away or disintegrate
Word Origin and History for deteriorated
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.