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worsen

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verb [intransitive/transitive] American English pronunciation: worsen /ˈwɜrs(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 bill will worsen relations between Democrats and Republicans.

    The weather worsened, and temperatures fell.

derived words

worsening

noun [singular]

Certain drugs may delay a worsening of the disease.

worsening

adjective

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

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