- 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
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
Their employment outlook hasn’t deteriorated as badly as it has for the less educated.
From The Wall Street Journal • May 22, 2026
After being admitted to hospital in May 2024, his condition has deteriorated rapidly to the point where he "doesn't know who we are now", said Noakes.
From BBC • May 18, 2026
His character deteriorated to the point where no one could stand him.
From "The House of the Spirits: A Novel" by Isabel Allende
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