utter stranger

Worse, he looked at her as if she had been an utter stranger.

Family, friends and even utter strangers persist in asking why.

Why couldn't I know better than address utter strangers in such a way?

An utter stranger without friends and without knowledge of your country.

It might as well be the residence of utter strangers in a town which he has never seen until this very day.

Anyone you know less than six months, to them, is an utter stranger.

It was like getting a kiss from an utter stranger.

"I can help utter strangers, and yet I'm helpless to aid my own mother."

She had never felt this frightening sense of being taken by an utter stranger.

After all, who in her right mind would take that kind of risk for a complete and utter stranger?