cataclysmal

Adjective

As destructive as a cataclysm.

Japanese Meaning

大災害のような、激しい破壊力を持つ / 大惨事のような / 破壊的な

The scientists warned that a cataclysmal release of energy would reshape the planet's climate for centuries.

科学者たちは、壊滅的なほどのエネルギーの放出が数世紀にわたって地球の気候を変えてしまうと警告した。

Sense（1）

As destructive as a cataclysm.

That they have been exterminated by exceptional cataclysmal changes of the earth's surface has not been proved.

more cataclysmal

（ comparative ）

most cataclysmal

（ superlative ）