lost
The German word 'verloren' is the past participle of the verb 'verlieren' which means 'to lose'. It can be used as an adjective to describe something that is lost or missing. It can also be used in a phrase like 'Ich bin verloren' which means 'I am lost'.
We lost the game.
This sentence uses 'verloren' in the context of losing a game or match. The verb 'haben' is used to form the perfect tense, indicating a past event.
I lost my keys.
In this instance, 'verloren' is used to express the loss of a physical object, the keys. The verb 'haben' is used to form the perfect tense, similarly depicting a past event.
He lost hope.
This sentence exemplifies using 'verloren' to signal the loss of an abstract concept, hope. Again, the perfect tense is formed with 'haben', showing something that happened in the past.