Look up this word
disaster

In a sentence
Je to katastrofa!
It's a disaster!
Toto je katastrofa.
This is a disaster.
Practice frame
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.