- 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 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
The tribunal was told that by February 2023, the relationship had deteriorated and Patient A made accusations to the police about the doctor.
From BBC • May 21, 2026
The summary reads like an indictment of City Hall leadership and the manner in which public spaces have deteriorated.
From Los Angeles Times • May 16, 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
Chris’s relations with his parents, which had been unusually courteous since his graduation from high school, deteriorated significantly that summer, and Walt and Billie had no idea why.
From "Into the Wild" by Jon Krakauer
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