cataclysmal

Definition of Cataclysmal in English :

1. cataclysmal, cataclysmic

severely destructive

Example Sentences:
'cataclysmic nuclear war'
'a cataclysmic earthquake'

WordNet Lexical Database for English. Princeton University. 2010.

Cataclysmal

noun

1.

a violent upheaval, esp of a political, military, or social nature

2.

a disastrous flood; deluge

3. geology another name for catastrophe (sense 4)

noun

1.

a great flood; deluge

2.

any great upheaval, as an earthquake or a war, that causes sudden and violent changes, great destruction, etc.

n.

1. A violent upheaval that causes great destruction or brings about a fundamental change.

2. A violent and sudden change in the earth's crust.

3. A devastating flood.