1. (

• deterioration ,
• decline_in_quality ,
• declension ,
• worsening

) process of changing to an inferior state ;

2. (

• worsening

) changing something with the result that it becomes worse ;

1. (

• worsen ,
• decline ,

) grow worse; "Conditions in the slum worsened" ;

2. (

• worsen ,
• aggravate ,
• exacerbate ,
• exasperate

) make worse; "This drug aggravates the pain" ;

1. (

• worsening

) changing for the worse; "worried by the worsening storm" ;