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
 
 
/lɒst/
PERSON A2 not knowing where you are or where you should go: I got lost on the way.Losing and lossWinning and losing
OBJECT B1 If something is lost, no one knows where it is: Things tend to get lost when you move house. Lost: black cat with white paws.Losing and lossWinning and losingUnavailable and inaccessiblePresent
NEW SITUATION not knowing what to do in a new situation: It was his first day in the office and he seemed a bit lost.Confusion, confusing and feeling confused
be lost without sb/sth informal to be unable to live or work without someone or something: She's lost without her computer.Coping and not copingDealing with things or peopleTolerating and enduring
be lost on sb If a joke or remark is lost on someone, they do not understand it.Useless and futileUnderstanding and comprehending
Get lost! informal an impolite way of telling someone to go away →  See also long-lost Departing
(Definition of lost adjective from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “lost” in other dictionaries

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More