1. (verb) grow worse

• decline

2. (verb) make worse

• aggravate
• exacerbate
• exasperate

1. (verb) grow worse

• change state
• turn

2. (verb) make worse

• alter
• change
• modify

1. (verb) grow worse

• come down
• sicken
• degenerate
• deteriorate
• devolve
• drop
• deprive
• impoverish
• drop away
• drop off
• fall away
• slip
• fail
• inflame
• lose
• suffer
• regress
• retrograde
• retrogress
• suffer
• tumble
• turn down

2. (verb) make worse

• cheapen
• degrade
• inflame
• irritate

1. (verb) grow worse

• declension
• declension
• decline in quality
• decline in quality
• deterioration
• deterioration
• worsening
• worsening
• declination
• declination
• decline
• decline

2. (verb) make worse

• aggravation
• aggravation
• exacerbation
• exacerbation
• worsening

1. (verb) grow worse

• ameliorate
• better
• improve
• meliorate

2. (verb) make worse

• ameliorate
• amend
• better
• improve
• meliorate