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Synonyms

deteriorate

American  
[dih-teer-ee-uh-reyt] / dɪˈtɪər i əˌreɪt /

verb (used with or without object)

deteriorated, deteriorating
  1. to make or become worse or inferior in condition, character, quality, value, etc.

    Synonyms:
    worsen, decline, degenerate
  2. to disintegrate or wear away.


deteriorate British  
/ dɪˈtɪərɪəˌreɪt /

verb

  1. to make or become worse or lower in quality, value, character, etc; depreciate

  2. (intr) to wear away or disintegrate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • deterioration noun
  • deteriorative adjective
  • undeteriorated adjective
  • undeteriorative adjective

Etymology

Origin of deteriorate

First recorded in 1565–75; from Late Latin dēteriōrātus “made worse,” past participle of dēteriōrāre “to make worse,” from Latin dēterior “worse,” from de- + -ter-, element in adjectives relating to spatial orientation + -ior, comparative suffix; exterior, interior

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.

Under former leader Hun Sen -- Prime Minister Hun Manet's father -- China poured billions of dollars into infrastructure investments, while Washington's relationship with Phnom Penh has deteriorated in recent years.

From Barron's

I might love Google as a user, but its capex is high and the quality of earnings has deteriorated.

From Barron's

The 20-year-old was initially diagnosed with tonsillitis and prescribed antibiotics, however his condition deteriorated and he became immobile with severe leg pain.

From BBC

His relationship with his female Inuit patrol partner deteriorates.

From The Wall Street Journal

The UN Commission on Human Rights in South Sudan also expressed alarm at the deteriorating political and security situation and had a similar message to Unmiss.

From BBC