Noah Webster's Dictionary 1. (n.) A calamitous event or natural disaster; sudden calamity; great misfortune. 2. (n.) The final event in a romance or a dramatic piece; a denouement, as a death in a tragedy, or a marriage in a comedy. 3. (n.) A violent and widely extended change in the surface of the earth, as, an elevation or subsidence of some part of it, effected by internal causes.

Multi-Version Concordance Catastrophe (2 Occurrences) Genesis 19:29 It happened, when God destroyed the cities of the plain, that God remembered Abraham, and sent Lot out of the middle of the overthrow, when he overthrew the cities in which Lot lived. (See NIV) Isaiah 47:11 Because of this evil will come on you, which may not be turned away for any price: and trouble will overtake you, from which no money will give salvation: destruction will come on you suddenly, without your knowledge. (See NIV)