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intrusion

noun

Simple meaning

The forcible inclusion or entry of an external group or individual.

Pronunciation

Say it like this:

ihntroozhuhn

Say the bold part a little louder.

US device voice
IPA pronunciation (US)

ɪntˈɹuʒən

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. The forcible inclusion or entry of an external group or individual; the act of intruding.

  2. psychology

    An involuntarily arising idea or memory that is nuisant and falsifies an accurate impression of the world.

  3. phonology

    The insertion of a phoneme into the pronunciation of a word despite its absence from the spelling. (e.g. intrusive r)

  4. A structure that lies within a historic district but is nonhistoric and irrelevant to the district.

Word at a Glance

Difficulty
B2 · Upper Intermediate
Frequency
Moderately Common
Typical Use
Neutral / general English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: The forcible inclusion or entry of an external group or individual; the act of intruding.

Used this way, intrusion is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

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Common Patterns and Combinations

How this word naturally appears with others.

intrusion detectionwater intrusiongovernment intrusionsaltwater intrusionintrusion prevention

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • electromagnetic intrusionnounCompound term

    The deliberate insertion of electromagnetic energy into transmission paths with the objective of confusing or deceiving operators.

More about this wordSynonyms, forms, origin

Synonyms

Sense: forcible inclusion or entry of an external group

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.