- 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
Since relations with the U.S. have deteriorated, the Cuban government has stepped up what it calls national days of defense to practice repelling invaders.
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
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
Deep in her heart she’d also wanted to see her mother, whose health had deteriorated while they’d been in Wisconsin.
From "Shooting Kabul" by N. H. Senzai
![]()