This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. To make or become worse.

v. To make worse.

v. To become worse; to get worse.

v. To make worse; to deteriorate; to impair.

v. To get the better of; to worst.

verb-intransitive. To grow or become worse.

To grow worse; deteriorate.

To make worse; cause to deteriorate.

To obtain advantage of.

v. grow worse

v. make worse

"If we do nothing, the current situation will worsen from the perspective of all relevant interests: physicians will experience more litigation, few victims of medical injuries will receive compensation, and the cost to the health-care and judicial systems will be high."

improve   

worsened    worsening    worsens   

deteriorate    impair    worst    aggravate   

Macpherson    businessperson    person    urson   

deeply-seated    disposure    pukey    ramping    crystallisation    monopolism    color-line    reconversion    spiritualization    porphyria