Definitions for: Intrusive

[adj] tending to intrude (especially upon privacy); "she felt her presence there was intrusive"
[adj] thrusting inward; "an intrusive arm of the sea"
[adj] (geology) of rock material; forced while molten into cracks between layers of other rock

Webster (1913) Definition: In*tru"sive, a.
Apt to intrude; characterized by intrusion; entering without
right or welcome.

Intrusive rocks (Geol.), rocks which have been forced,
while in a plastic or melted state, into the cavities or
between the cracks or layers of other rocks. The term is
sometimes used as equivalent to plutonic rocks. It is then
contrasted with effusive or volcanic rocks.

Synonyms: busy, busybodied, encroaching(a), eruptive, interfering, intruding, invasive, irruptive, meddlesome, meddling, officious, plutonic, trespassing(a)

Antonyms: extrusive, not intrusive, protrusive, unintrusive

See Also: concave, uninvited

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