How to Use "calamitous" with Example Sentences

1. Meanwhile , noel and his brother have a rather calamitous one .
2. They feared the calamitous consequences of yet another war .
3. That would be a calamitous outcome of european monetary integration .
4. The impact of the melting arctic may have a calamitous effect on the planet .
5. These strengths have helped mexico to rebound smartly from its calamitous slump .