adv. (UN-1 11; cf. prec.)
1795. V. Knox, Chr. Phil., § 39. I. 28. He is silently and unostentatiously happy.
1844. H. H. Wilson, Brit. India, II. 228. The preparations were conducted as unostentatiously as possible.
1891. Driver, Introd. Lit. O. T., 428. How a religious spirit may be carried unostentatiously into the conduct of daily life.