- tending or apt to intrude; coming without invitation or welcome: intrusive memories of a lost love.
- characterized by or involving intrusion.
- intruding; thrusting in.
- (of a rock) having been forced between preexisting rocks or rock layers while in a molten or plastic condition.
- noting or pertaining to plutonic rocks.
- Phonetics. excrescent(def 2).
Origin of intrusive
SynonymsSee more synonyms for intrusive on Thesaurus.com
1. annoying, bothersome, interfering, distracting, irksome, worrisome, troublesome, irritating, disturbing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for non-intrusive
The internal body structure was visualized by using a simulation system similar to those utilized in non-intrusive surgery.The Civilization of Illiteracy
- 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
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
Word Origin and History for non-intrusive
Online Etymology Dictionary, © 2010 Douglas Harper