in an unobtrusive manner; "messengers were moving unobtrusively over the jet-black mountain ranges, bearing confidential tidings from sheikhdom to sheikhdom
If you describe something or someone as unobtrusive, you mean that they are not easily noticed or do not draw attention to themselves. The coffee-table is glass, to be as unobtrusive as possible conspicuous + unobtrusively un·ob·tru·sive·ly They slipped away unobtrusively. not easily noticed