invasion
/ɪnˈveɪʒən/noun
invasion is spelled I-N-V-A-S-I-O-N: 8 letters and 3 syllables. It appears 17 times per million words in written English, the 4,838th most frequent word form (wordfreq, 2021 data). As a noun, invasion means “A military action consisting of a large armed force of one geopolitical entity entering territory controlled by another such entity, generally with…” (English Wiktionary, September 2026). The plural of invasion is invasions.
How many letters and syllables are in invasion?
| Letters | 8: I-N-V-A-S-I-O-N |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 17 times per million words; the 4,838th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is invasion?
Invasion appears 17 times per million words in written English, the 4,838th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce invasion?
- /ɪnˈveɪʒən/
Invasion has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-invasion.wav, LL-Q1860_(eng)-Wodencafe-invasion.wav, Wikimedia Commons (author and licence on each file's page).
Forms of invasion
- invasions plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does invasion mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A military action consisting of a large armed force of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government.
- 2
The entry without consent of an individual or group into an area where they are not wanted.
an invasion of mobile phones
- 3
The spread of cancer cells, bacteria and such to the organism.
- 4
The breaching of the skin barrier.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Invasion in Spanish, French, German and Portuguese
In the sense military action:
| Language | Words |
|---|---|
| French | invasion |
| German | Invasion, Überfall, Einfall, Einmarsch |
| Portuguese | invasão |
| Spanish | invasión |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does invasion come from?
From Middle French invasion, from Late Latin invāsiōnem, accusative of invāsiō.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).