Evadna freed herself as unobtrusively as possible, and looked at him with wide eyes.
Unobtrusively offered,—tendered with a due delicacy and reserve?
De Spain unobtrusively spurred his steed to greater activity.
I was sent here to build this bit of a railroad quietly and unobtrusively.
For a minute he watched her unobtrusively, and wondered why the life had gone out of her.