adv. (UN-1 11, 5 b.)
1796. Mme. DArblay, Camilla, I. 358. The most unobtrusively gay of almost any young creature I ever beheld.
1852. W. Collins, Basil, II. i. He was dressed as unobtrusively as possible, entirely in black.
1884. C. T. Saunders, in Law Times, 25 Oct., 412/2. The abolition of primogeniture was unobtrusively proposed.