This is the 15337th most frequent Russian word.
потеряны
"Потеряны" means "lost."
Here, 'потеряны' conveys the state of being disoriented or unable to find direction, specifically about the people referred to as 'мы'.
Мы потеряны в этом огромном городе.
We are lost in this huge city.
In this sentence, 'потеряны' is used to describe the result of losing physical items during a travel, indicating their absence.
Все наши вещи были потеряны во время путешествия.
All our belongings were lost during the journey.
Here, 'потеряны' denotes the state of information or data being irretrievable or missing for reference.