stranger (strangers plural )
1 n-count A stranger is someone you have never met before.
Telling a complete stranger about your life is difficult..., Sometimes I feel like I'm living with a stranger.
2 n-plural If two people are strangers, they do not know each other.
The women knew nothing of the dead girl. They were strangers.
3 n-count If you are a stranger in a place, you do not know the place well., (Antonym: local)
`You don't know much about our town, do you?'<emdash>`No, I'm a stranger here.'
4 n-count If you are a stranger to something, you have had no experience of it or do not understand it.
oft with brd-neg, N to n
He is no stranger to controversy..., We were both strangers to diplomatic life.