trud-, -trude, trus-, -trusion

(Latin: thrust, push, shove)

unobtrusive
1. Not conspicuous, blatant, or assertive.
2. Not undesirably noticeable or blatant; inconspicuous.
unobtrusively
1. A reference to not being noticeable.
2. Seeming to fit in well with the background of a situation.
3. In an unobtrusive manner.
unobtrusiveness
1. The quality of not sticking out in an unwelcome way.
2. Not obtrusive, blatant, arresting, or aggressive.

Cross references of word families that are related directly, or indirectly, to: "push, shove, thrust": osmo-; pel-; puls-.