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intrusive

[ in-troo-siv ]
/ ɪnˈtru sɪv /
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See synonyms for: intrusive / intrusiveness on Thesaurus.com

adjective

tending or apt to intrude; coming without invitation or welcome: intrusive memories of a lost love.
characterized by or involving intrusion.
intruding; thrusting in.
Geology.
  1. (of a rock) having been forced between preexisting rocks or rock layers while in a molten or plastic condition.
  2. noting or pertaining to plutonic rocks.
Phonetics. excrescent (def. 2).

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Origin of intrusive

late Middle English word dating back to 1375–1425; see origin at intrusion, -ive

OTHER WORDS FROM intrusive

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for intrusive

intrusive
/ (ɪnˈtruːsɪv) /

adjective

characterized by intrusion or tending to intrude
(of igneous rocks) formed by intrusionCompare extrusive (def. 2)
phonetics relating to or denoting a speech sound that is introduced into a word or piece of connected speech for a phonetic rather than a historical or grammatical reason, such as the (r) often pronounced between idea and of in the idea of it

Derived forms of intrusive

intrusively, adverbintrusiveness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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