irruption

noun

"irruption" is a 9-letter English headword indexed on PlainSpell.

The verdict

“irruption” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion.

Corpus desk

Index EN-irruption · irruption · English

irruption · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for irruption
PropertyValue
Headwordirruption
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “irruption” in English

irruptionfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

irruption is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

irruption has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Middle French irruption, from Latin irruptiō(n). The correct English form is irruption, spelled I-R-R-U-P-T-I-O-N.

Definition

  1. 1
    The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion.
  2. 2
    An abrupt increase of an animal population.
  3. 3
    An abrupt increase in the size of a movement or organization.

Recorded use

Wiktionary examples

These source excerpts show how irruption appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The Trojan irruption into the Greek camp is related in Book XV of the Iliad.
  2. [I]t was not till arts and ſciences began to revive after the irruption of the Barbarians into Europe, that any thing of this kind appeared.

Etymology

From Middle French irruption, from Latin irruptiō(n).

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "irruption"?
"irruption" is spelled I-R-R-U-P-T-I-O-N.
What does "irruption" mean?
As a noun, "irruption" means: The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion.
What is the origin of the word "irruption"?
From Middle French irruption, from Latin irruptiō(n). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list