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misfortune

In a sentence
Niektorí ľudia veria, že čierne mačky prinášajú nešťastie.
Some people believe that black cats bring bad luck.
Toto je nešťastie.
This is a misfortune.
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.