Wordnet 3.0
ADVERB (1)
1.
in an unobtrusive manner;
- Example: "messengers were moving unobtrusively over the jet-black mountain ranges, bearing confidential tidings from sheikhdom to sheikhdom"
The Collaborative International Dictionary of English v.0.48:
Unobtrusive \Un`ob*tru"sive\, a.
Not obtrusive; not presuming; modest. -- Un`ob*tru"sive*ly,
adv. -- Un`ob*tru"sive*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
unobtrusively
adv 1: in an unobtrusive manner; "messengers were moving
unobtrusively over the jet-black mountain ranges, bearing
confidential tidings from sheikhdom to sheikhdom" [ant:
obtrusively]