This is the 16084th most frequent Polish word.
ubranych
"Ubranych" means "dressed" in English.
The word 'ubranych' is the past participle in pluralized, passive form, describing the state of the group of people being dressed in elegant outfits.
W sali stała grupa ludzi ubranych w eleganckie stroje.
In the hall stood a group of people dressed in elegant outfits.
The word 'ubranych' appears here to describe the plural subject of the sentence, the children, in the accusalive case, indicating their state of being dressed in specific clothing.
Fotografia przedstawiała dzieci ubranych w kolorowe kostiumy Halloweenowe.
The photograph depicted children dressed in colorful Halloween costumes.
In this sentence, 'ubranych' is used to modify 'kobiety' (women), highlighting their attire and aligning with the accusative plural form for the grammatical structure.