This is the 12751st most frequent Polish word.
nieszczęście
Misfortune; disaster; unhappiness.
Here, 'nieszczęście' is a noun used to signify an unfortunate event or misfortune.
Nieszczęście spadło na ich dom podczas burzy.
Misfortune struck their house during the storm.
In this sentence, 'nieszczęście' refers to an individual's state of misfortune or suffering.
Z powodu swojego nieszczęścia, potrzebuje naszego wsparcia.
Due to his misfortune, he needs our support.
Here, 'nieszczęście' is used in the context of something unfortunate that could have happened but didn't.