Meaning : An event resulting in great loss and misfortune.
Example :
The whole city was affected by the irremediable calamity.
The earthquake was a disaster.
Synonyms : calamity, catastrophe, disaster, tragedy
Cataclysm ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Cataclysm ka matlab kya hota hai?