Cataclysmic is a synonym for the word clysmic. It is a term used to describe events or occurrences that are unparalleled in their intensity and have far-reaching effects. Other synonyms for clysmic include disastrous, devastating, and catastrophic. These words all convey a sense of suffering and loss, and are often used to describe natural disasters, wars, or other large-scale events that have significant impact on communities and individuals. While clysmic events are often viewed with dread and fear, they can also serve as a catalyst for growth and change, as communities come together to rebuild and recover from the aftermath.