Intrusive - Definition
intrusive
adj 1: tending to intrude (especially upon privacy); "she felt
her presence there was intrusive" [ant: not intrusive,
unintrusive]
2: of rock material; forced while molten into cracks between
layers of other rock [ant: extrusive]
3: thrusting inward; "an intrusive arm of the sea" [ant:
protrusive]