- past tense form of deteriorate.
- past participle of deteriorate.
deteriorated
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The annual survey External link by the U.S.-China Business Council released Wednesday found that 80% of companies think the business climate hasn’t improved or has deteriorated.
From Barron's • Jun. 10, 2026
But the connection apparently deteriorated after Weiss did not receive advance notice of Anderson Cooper’s sign-off from the program, ending his nearly 20-year run as a correspondent.
From Los Angeles Times • May 28, 2026
The researchers also found that the corpus callosum, a major structure that connects the two halves of the brain and supports many critical functions, had deteriorated in mice receiving the treatment.
From Science Daily • May 27, 2026
“However, positive self-help initiatives may be overshadowed on the day if sales trends have deteriorated since the onset of the fuel crisis,” Forsyth Barr says.
From The Wall Street Journal • May 21, 2026
“Though my Book, if it will ever have any value, will not be deteriorated; as all the labour consists in the application of the theory’ He told Hooker about Wallace’s paper, too.
From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman
![]()