Synonyms of the word 
CATACLYSMAL → CATACLYSMIC - DESTRUCTIVE
cataclysmal
- adj. As destructive as a cataclysm.
cataclysmic
- adj. Of or pertaining to a cataclysm; causing great destruction or upheaval; catastrophic.
destructive
- adj. Causing destruction; damaging.
- adj. Causing breakdown or disassembly.
- adj. (computing) Lossy; causing irreversible change.
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