noun
1.
Synonyms: flood 2, cataract, deluge, flooding, inundation, niagara, overflow, pour, spate, torrent
2.
Synonyms: disaster , calamity, catastrophe, misadventure, tragedy, woe(s)
CATACLYSM
Meaning of CATACLYSM in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003