a.) projecting inward: "an intrusive arm of the sea" b.) (1) of a rock : having been forced while in a plastic state into cavities or between layers (2) : PLUTONIC
Igneous rock formed beneath the surface of the Earth; typically with large crystals due to slow cooling Also known as plutonic; opposite of extrusive or volcanic
tending to intrude (especially upon privacy); "she felt her presence there was intrusive" thrusting inward; "an intrusive arm of the sea" of rock material; forced while molten into cracks between layers of other rock
Something that is intrusive disturbs your mood or your life in a way you do not like. The cameras were not an intrusive presence. affecting someone's private life or interrupting them in an unwanted and annoying way