get lost verb 4exclamation 1forms 4 verb4 •To lose one's way.Don't you have a map? How did we get lost?I got lost in his reasoning. •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. •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. •To be absent, to seem to be absent.The violins get lost with the rest of the music. exclamation1 •(informal) Used to rudely tell somebody to go away or leave one alone. formsgot lost · gotten lost · getting lost · gets lost