I. (ˈ)in.|trüs]iv, ən.ˈt, -üz], ]ēv also ]əv adjective
Etymology: intrus ion + -ive
1.
a. : characterized by intrusion or encroachment
an intrusive remark
far too sensitive to be intrusive — Mollie Panter-Downes
an intrusive culture
b. : showing a tendency to intrusion : given to habitual intrusion : thrusting one's way into a place, group, or activity where one is not welcome or invited
a loud and intrusive individual
2.
a. : thrusting or projecting inward
an intrusive arm of the sea
b. : thrust or forced in: as
(1) of a rock : having been forced while in a plastic or liquid state into cavities or cracks or between layers of other rock — contrasted with extrusive ; compare boss I 2, dike I 3c, sill
(2) : plutonic
3. of an organism : having a range that extends into an area in which it or the group it represents would not be expected to be found
4. of an archaeological object : lying in a stratum that is not the place of original deposit
5. of a sound or letter : having nothing that corresponds to it in orthography or etymon
intrusive t in ˈmints for mince
intrusive d in thunder
intrusive r in the pronunciation ˌindēəˈriŋk for India ink
Synonyms: see impertinent
II. noun
( -s )
: something that is intrusive ; specifically : intrusive rock or an intrusive rock