Obtrusive

Ob*tru"sive (?), a. Disposed to obtrude; inclined to intrude or thrust one's self or one's opinions upon others, or to enter uninvited; forward; pushing; intrusive. -- Ob*tru"sive*ly, adv. - - Ob*tru"sive*ness, n.

Not obvious, not obtrusive, but retired.
Milton.