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Adjective: intrusive  in'troo-siv
  1. Tending to intrude (especially upon privacy)
    "she felt her presence there was intrusive"
  2. (geology) of rock material; forced while molten into cracks between layers of other rock
  3. Thrusting inward
    "an intrusive arm of the sea"

See also: busy, busybodied, concave, encroaching, interfering, intruding, intrusiveness, invasive, irruptive, meddlesome, meddlesomeness, meddling, officious, officiousness, plutonic, trespassing

Antonym: extrusive, not intrusive, protrusive

Encyclopedia: Intrusive