- 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.
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
Within two days, Lucinda's condition deteriorated and she was returned to hospital.
From BBC • May 19, 2026
Her health deteriorated during an April 25 flight to Johannesburg and she died in hospital a day later, with hantavirus confirmed on May 4.
From Barron's • May 11, 2026
It was sad how the richer he got, the more his health deteriorated.
From "In the Time of the Butterflies" by Julia Alvarez
![]()