Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “lost”

See all translations

lost

adjective  /lɔst/ us  

lost adjective (CANNOT BE FOUND)

(of a person) unable to find your way, or (of an item) not to be found: a lost child/pet/earring 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.

lost

 /lɔst/ us  

lost (LOSE)

past simple and past participle of lose
(Definition of lost from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of lost?
Add Cambridge dictionaries to your browser to your website

Definitions of “lost” in other dictionaries

Word of the Day

lamb

a young sheep, or the flesh of a young sheep eaten as meat

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More