Gibbon sat and listened unobserved to their strictures.
It was obvious to Dean that nothing in Ouray went unobserved.
The Franciscans slipped away unobserved, but Savonarola raising the host attempted to lead.
I walked about the outside, at first unobserved from within, the window was so deep and high.
Yet a brother got out unobserved, and, with much entreaty, prevailed upon the Mayor to come down.