adv. (UN-1 11; cf. prec.)
1656. Earl Orrery, Parthen., III. I. 12. Nicomedes the more unobservedly to gaze on his new Conqueror, had retir’d himself into the throng.
1702. Bp. Patrick, Comm. Judg. xvi. 1. He went thither secretly and unobservedly, in the dusk of the evening.
1795. Phil. Trans., LXXXV. 174. A single instrument, having an excess of light, in which the irradiation may unobservedly extend further than in weaker telescopes.
1861. Wright, Ess. Archæol., vii. 107. Great numbers of … tumuli have been destroyed unobservedly in the various processes of agriculture.
1884. Manch. Exam., 20 Aug., 5/1. A train came upon him unobservedly, and the poor fellow was literally cut to pieces.
