get lost
verb1
To lose one's way.
- Don't you have a map? How did we get lost?
- I got lost in his reasoning.
1 more example
- "But the Civil Aviation Authority is very worried about 'flyaway' - if someone has bought a GPS jammer on eBay because they don't want drones near their house, it can cause drones to get completely lost and shoot off in a random direction until they run out of battery.2025 July 23, Paul Clifton, “Air force: drones' developing railway role”, in RAIL, number 1040, page 29:
2
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.
3
To be absent, to seem to be absent.
- The violins get lost with the rest of the music.
4
Idiomatic To exit from the scene.
Usually in imperative and reported speech
- I don't want to have to tell you again: Get lost!
- They had a row and Fred told Jack to get lost.
1 more example
- Jack did a good job of getting lost: nobody saw him for 4 years.