deteriorate
verb (used with or without object)
to make or become worse or inferior in condition, character, quality, value, etc.
has deteriorated
-
present perfectof deteriorate (3rd person singular).present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
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 relationship between the two companies has deteriorated since they forged an early partnership in 2024 that allowed OpenAI’s ChatGPT to connect with Apple’s Siri voice assistant.
From The Wall Street Journal ● Aug. 4, 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
Prior to Macklem’s testimony, the central bank released research outlining how Canada’s position in global maritime trade has deteriorated.
From The Wall Street Journal ● May 8, 2026
Since then, residents in the area say the lot has deteriorated into a junkyard filled with trash — including scraps of metal, wood and broken outdoor furniture.
From Los Angeles Times ● Apr. 16, 2026
The situation at Santo Tomas has deteriorated at an alarming rate in the three years since Gertie’s capture.
From "At Last She Stood" by Erin Entrada Kelly
