be lost
I was completely lost in the new city.
The speaker felt disoriented and couldn't navigate.
to feel confused or disoriented, unable to navigate or find one's way
She was lost in the maze of office corridors.
She felt confused navigating the complex office layout.
He got lost in the conversation and missed the main point.
He became mentally disoriented and couldn't follow the discussion.
Often used metaphorically to describe being mentally or emotionally confused.
to be unable to find something or someone
My keys are lost somewhere in the house.
I cannot locate my keys anywhere in the house.
Literal meaning refers to physical disappearance of an object.
Collocations
Related Phrases
Pro Tip
Context matters
Use 'be lost' for both physical disorientation and mental confusion. Physical: 'The hikers were lost in the forest.' Mental: 'She was lost in thought during the meeting.'
Gold Rule
Avoid literal confusion
Don't use 'be lost' to describe objects that have been misplaced (use 'missing' or 'misplaced' instead). Correct: 'My phone is missing.' Incorrect: 'My phone is lost.' (unless you truly believe it's been stolen or permanently gone)
Word Origin
From Old English 'losian' (to perish, become disabled), related to 'los' (destruction). The phrase 'be lost' evolved from literal disappearance to metaphorical confusion by the 14th century.
Usage Notes
Commonly used in both physical and metaphorical contexts. The metaphorical sense is more frequent in modern usage.