nihilistic (adj.)
- anarchic
- anarchistic
- antinomian
- baneful
- calamitous
- cataclysmal
- cataclysmic
- catastrophic
- chaotic
- consuming
- consumptive
- cynical
- deadly
- destroying
- destructive
- devastating
- disastrous
- dismal
- disorderly
- disorganized
- extreme
- extremist
- fatal
- fateful
- gloomy
- internecine
- negative
- pessimistic
- pink
- radical
- ravaging
- red
- revolutionary
- ruinous
- self-destructive
- subversive
- suicidal
- ultraconservative
- uncheerful
- unruly
- wasteful
- withering
