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intrusive

American  
[in-troo-siv] / ɪnˈtru sɪv /

adjective

  1. tending or apt to intrude; coming without invitation or welcome.

    intrusive memories of a lost love.

    Synonyms:
    disturbing, irritating, troublesome, worrisome, irksome, bothersome, annoying
  2. characterized by or involving intrusion.

  3. intruding; thrusting in.

  4. 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.

  5. Phonetics. excrescent.


intrusive British  
/ ɪnˈtruːsɪv /

adjective

  1. characterized by intrusion or tending to intrude

  2. (of igneous rocks) formed by intrusion Compare extrusive

  3. 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

Other Word Forms

Etymology

Origin of intrusive

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

Explanation

Something intrusive is getting in your face or invading your space. Nosey questions, a poke in the ribs, and a hovering mother are all intrusive. Things that are intrusive are a real pain in the neck: they intrude on you. If someone asks you a million questions, especially personal questions, that's intrusive behavior. When photographers hound celebrities, they're being intrusive. If a rock is sticking out and getting in people's way, then it's intrusive. All meanings of intrusive involve something being where it doesn't belong.

Keep Reading on Vocabulary.com

Vocabulary lists containing intrusive

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

As I resettled into the life I had so missed, I at first tried to avoid the agitating, distracting and intrusive pull of my phone.

From The Wall Street Journal Aug. 5, 2026

“In my most intrusive thoughts, I see parts of myself in all the characters,” he admits.

From Los Angeles Times Aug. 3, 2026

“Of course, no line that the States draw will satisfy everyone. But the Judiciary is not the proper institution to make what would often be arbitrary and highly intrusive athlete-by-athlete assessments.”

From Salon Jul. 5, 2026

Civil liberties campaigning group Big Brother Watch slammed the live facial recognition expansion as an "alarming escalation of an intrusive technology".

From Barron's Jun. 24, 2026

Aunty Ifeoma was scraping a burnt pot in the kitchen, and the kroo-kroo-kroo of the metal spoon on the pot seemed intrusive.

From "Purple Hibiscus" by Chimamanda Ngozi Adichie

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