Meaning of “lost” in the English Dictionary

"lost" in English

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uk /lɒst/ us /lɑːst/

lost adjective (PLACE UNKNOWN)

A2 not knowing where you are and how to get to a place:

I got lost in the New York subway system.
You look lost - can I help you?

B1 If something is lost, no one knows where it is:

Things tend to get lost when you move.
Lost: black cat with white paws.
Mikey turned up with the lost book.

More examples

lost adjective (ATTENTION)

be lost in sth

giving so much attention to what you are doing that you are not conscious of anything else that is happening around you:

Ann was completely lost in her book.

(Definition of “lost” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"lost" in American English

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us /lɔst/

lost adjective (CANNOT BE FOUND)

(of a person) unable to find your way, or (of an item) not to be found:

We got lost on the way home.
fig. I’d be lost without you (= I would not know what to do).

lost adjective (CONFUSED)

confused, or not able to understand or appreciate:

His explanation was so complicated, I got lost after the first example.
Everyone else thought it was funny, but that joke was lost on me.


us /lɔst/

lost (LOSE)

past simple and past participle of lose

(Definition of “lost” from the Cambridge Academic Content Dictionary © Cambridge University Press)