Adverb
in an unobtrusive manner
Source: WordNetMy father also happened to be an intellectual, as learned, literate, informed, and curious as anyone I have known. Unobtrusively and casually, he was my wise and gentle teacher. James Tobin
There can be no doubt that distrust of words is less harmful than unwarranted trust in them. Besides, to distrust words, and indict them for the horrors that might slumber unobtrusively within them - isn't this, after all, the true vocation of the intelle. Václav Havel
Meditation is the ultimate mobile device; you can use it anywhere, anytime, unobtrusively. Sharon Salzberg
Civilization has little to fear from educated people and brain-workers. In them the replacement of religious motives for civilized behaviours by other, secular motives, would proceed unobtrusively.... Sigmund Freud
messengers were moving unobtrusively over the jet-black mountain ranges, bearing confidential tidings from sheikhdom to sheikhdom Source: Internet
An example would be to unobtrusively observe children on a playground (with a videocamera, perhaps) and record the number and types of aggressive actions displayed. Source: Internet