Keywords: stranger
Sign Definition
As a Noun
1. Someone you have never met before, or someone you have met before but do not remember or recognise. English = stranger.
Interactive
1. Used alone to politely and discreetly ask someone you are with about the identity of a third person, especially if they appear to know you or it appears you should know them. English = 'Excuse me, but who is that? Do I know them?'