complexity
/kəmˈplɛk.sɪ.ti/noun
complexity is spelled C-O-M-P-L-E-X-I-T-Y: 10 letters and 4 syllables. It appears 10 times per million words in written English, the 6,884th most frequent word form (wordfreq, 2021 data). As a noun, complexity means “The state of being complex; intricacy; entanglement” (English Wiktionary, September 2026). The plural of complexity is complexities.
How many letters and syllables are in complexity?
| Letters | 10: C-O-M-P-L-E-X-I-T-Y |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | 10 times per million words; the 6,884th 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 complexity?
Complexity appears 10 times per million words in written English, the 6,884th 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 complexity?
- /kəmˈplɛk.sɪ.ti/
Complexity has 4 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-complexity.wav, LL-Q1860_(eng)-Wodencafe-complexity.wav, Wikimedia Commons (author and licence on each file's page).
Forms of complexity
- complexities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does complexity mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The state of being complex; intricacy; entanglement.
- 2
That which is and renders complex; intricacy; complication.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Complexity in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | complexité |
| German | Kompliziertheit, Komplexität , Schwierigkeit, Komplikation |
| Portuguese | complexidade |
| Spanish | complejidad |
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 complexity come from?
From complex + -ity. Partially displaced native English manifoldness.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).