stranger

Universal Words noun 1 ~ (to sb) a person that you do not know: There was a complete stranger sitting at my desk. * They got on well together although they were total strangers. * We've told our daughter not to speak to strangers. * She remained a stranger to me. 2 ~ (to...) a person who is in a place that they have not been in before: Sorry, I don't know where the bank is. I'm a stranger here myself. * He must have been a stranger to the town. IDIOMS be no / a stranger to sth (formal) to be familiar/not familiar with sth because you have/have not experienced it many times before: He is no stranger to controversy.