calamitous.

Causing or marked by a severe disaster, loss, or misfortune.

Use it for

Words that belong together

• a calamitous failure
• a calamitous event

On the page

The calamitous failure left the settlement without its only safe route.

A calamitous event divided the history into before and after.

Usage notes

Primary category: horror. Forms: Comparative more calamitous; superlative most calamitous where gradation is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.