Unobserved synonyms

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.

The obscurity of the mist, which had at first allowed the big battalions to approach unobserved, now favoured the weaker side.

Yet a brother got out unobserved, and, with much entreaty, prevailed upon the Mayor to come down.