"This is a pretty unofficial visit," I assured him.

A police car makes a slow circuit of the place, an unofficial visit.

And we have had an enormous number of unofficial visits to the campus by potential prospects this spring.

At this stage our unofficial visits involved his preparation of the 1955 city budget.

"Then this is an unofficial visit, and not one intended for social purposes."

This can lead to a prospect accepting an unofficial visit to a college campus.

"I told the little lady it was an unofficial visit, Doc," he said in a soft voice.

He also made an unofficial visit to Florida prior to these official visits.

I don't like 'unofficial' visits that hit me where I live.

The Queen is on an unofficial visit to the city, visiting friends.