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worsen

American  
[wur-suhn] / ˈwɜr sən /

verb (used with or without object)

worsens, present (3rd person singular) worsened, past participle, past worsening present participle
  1. to make or become worse.

    Synonyms:
    sink, slip, deteriorate, decline

worsen British  
/ ˈwɜːsən /

verb

  1. to grow or cause to grow worse

"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

Etymology

Origin of worsen

First recorded in 1200–50; Middle English wersnen “to deteriorate”; see origin at worse, -en 1

Explanation

When things go from terrible to even more terrible, they worsen. If your sore throat worsens, you should call the doctor. If something gets worse, you can say that it worsens. So if the rain that started as a misty drizzle begins to grow torrential, threatening to ruin the picnic you've planned, the weather worsens. And if there's less money in your piggy bank every day, your financial situation worsens. The verb worsen shares a root with war, the Old Saxon werran, meaning "to entangle."

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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.

Some are concerned that AI could worsen what’s called a “K-shaped” economy, in which the rich see growth and most other people struggle with stagnating opportunities.

From Los Angeles Times • Jun. 5, 2026

Amodei has warned that AI could worsen inequality and eliminate as many as half of entry-level white-collar jobs.

From The Wall Street Journal • Jun. 4, 2026

One way to gauge how much those pressures could worsen is to monitor where the bond market expects inflation to go next.

From MarketWatch • Jun. 4, 2026

The treatment was also associated with reduced levels of proinflammatory molecules, which are substances that can worsen inflammation and contribute to tissue damage.

From Science Daily • May 29, 2026

It would dramatically worsen poverty in China’s three northeast provinces, which have largely missed out on the wealth generated by the country’s economic boom.

From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden

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