Third-person singular simple present indicative form of worsen.(verb)
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Use "worsens" in a sentence
"While it's often assumed that crime rises as the economy worsens, that isn't necessarily the case with auto theft."
"The dilemma worsens dramatically in the next century, when the baby boomers retire."
"However, once the individual’s health situation changes to a bad condition and then worsens, that is when the consultations become mandatory every 5 years, and more often, depending on the individual’s health condition."