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worsen

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verb [intransitive/transitive] British English pronunciation: worsen /ˈwɜː(r)s(ə)n/ 
Word Forms
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present tense
I/you/we/theyworsen
he/she/itworsens
present participleworsening
past tenseworsened
past participleworsened
  1. to become worse, or to make something worse

    The weather worsened, and temperatures fell.

    The bill will worsen relations between Democrats and Republicans.

derived words

worsening

noun [singular]

The drug may delay a worsening of the disease.

worsening

adjective

The country is still in a continuing and worsening economic depression.

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