The political situation in the country worsened due to the unrest.
weather
Frequency:
40
%
The weather worsened as the storm approached.
relationship
Frequency:
35
%
Their relationship worsened after the argument.
Idiomatic Expressions for worsen
Phrase: go from bad to worse
Meaning: to deteriorate or become even more difficult or unpleasant
Usage: After losing his job, things went from bad to worse when he got sick.