- 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
Over the past six months, her condition has deteriorated significantly, Prof Are Holm, a lung specialist at Oslo University Hospital, was quoted by the royal household as saying.
From BBC • Jun. 5, 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
As California continued to improve, other issues surfaced, new resentments arose, and the relationship between the two programs deteriorated further.
From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown
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