This is the 1185th most frequent Spanish word.
perdido
Lost.
In this context, 'perdido' describes a state of being disoriented or unable to find one's way.
Estoy perdido en esta ciudad.
I am lost in this city.
Here, 'perdido' indicates the action of misplacing or losing an object.
He perdido mi llave.
I have lost my key.
In this usage, 'perdido' refers to feeling defeated or discouraged in a metaphorical sense.