Word.ws English Dictionary

Plural of intrusion

regular plural

The plural of intrusion is intrusions.

Forms of intrusion

Singularintrusion /ɪnˈtɹuːʒən/
Pluralintrusions
Countablecountable and uncountable

Intrusions in a sentence

  • Although there are modern intrusions (a road and communications facilities on the summit), the mountain is important to the Kumeyaay community's belief system.1997, Donna J. Seifert; Barbara J. Little; Beth L. Savage; John H., Jr. Sprinkle, “Defining boundaries for National Register properties”...
  • When I turned on the light, scattered mats of cockroach intrusions scurried into the walls.
  • It’s beautiful, but never naïvely so; the pastoral moments were offset by barrelhouse intrusions.2008 January 14, Ben Ratliff, “Jazz Showcase Fever Propels a Mini Marathon”, in New York Times. From the entry barrelhouse
  • Intrusions on dignity, he said, struck him with all the force of lèse-majesté.1999, James Trilling, “My Father and the Weak-Eyed Devils”, in The American Scholar, volume 68, number 2, The Phi Beta Kappa Society…. From the entry unassailability
  • Layered cumulates are prominent within virtually all of the larger intrusions.1996, R. G. Cawthorn, Layered Intrusions, page 331. From the entry cumulate

Meaning of intrusion

  1. noun The forcible inclusion or entry of an external group or individual; the act of intruding.
  2. noun A penetration by hackers, a computer virus, etc.
  3. noun The insertion of a phoneme into the pronunciation of a word despite its absence from the spelling. (e.g. intrusive r).

Full definition of intrusion

Questions about the plural of intrusion

What is the plural of intrusion?
The plural of intrusion is intrusions.
Is intrusion countable?
Intrusion is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: intrusion (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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