1. get lost - Verb
2. get lost - Interjection
get lost
(colloquial, dismissal) Used to rudely tell somebody to go away or leave one alone.
Synonyms: see Thesaurus:go away
(intransitive) To lose one's way.
Don't you have a map? How did we get lost?
I got lost in his reasoning.
(intransitive, of an object) To go missing; to be in a location unknown to someone who is looking for it.
My keys got lost while I was out today.
(intransitive) To be absent, to seem to be absent.
The violins get lost with the rest of the music.
(intransitive, usually in imperative and reported speech, idiomatic) To exit from the scene.
I don't want to have to tell you again: Get lost!
They had a row and Fred told Jack to get lost.
Jack did a good job of getting lost: nobody saw him for 4 years.
Religions get lost as people do. Franz Kafka
Unfortunately, those who follow the crowd usually get lost in it. Rick Warren
So many words get lost. They leave the mouthand lose their courage, wandering aimlessly until they are swept into the gutter like dead leaves. On rainy days you can hear their chorus rushing past. Nicole Krauss
A sea will not dry up, a nation will not get lost. Russian Proverb
Who approaches women penniless will be told: get lost. Sicilian Proverb
To get lost is to learn the way. Swahili Proverb