INTRUSIVE
intrusive
(adjective) tending to intrude (especially upon privacy); “she felt her presence there was intrusive”
intrusive
(adjective) thrusting inward; “an intrusive arm of the sea”
intrusive
(adjective) of rock material; forced while molten into cracks between layers of other rock
Source: WordNet® 3.1
Etymology
Adjective
intrusive (comparative more intrusive, superlative most intrusive)
Tending to intrude; doing that which is not welcome; interrupting or disturbing; entering without permission or welcome.
(geology) Of rocks: forced, while in a plastic or molten state, into the cavities or between the cracks or layers of other rocks.
Synonyms
• unwelcome
• uninvited
• disturbing
• interrupting
Antonyms
• unintrusive
Noun
intrusive (plural intrusives)
(geology) An igneous rock that is forced, while molten, into cracks or between other layers of rock
Source: Wiktionary
In*tru"sive, a.
Definition: 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.
– In*tru"sive*ly, adv.
– In*tru"sive*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition