irregularity
/ɪˌɹɛ.ɡjʊˈlæ.ɹɪ.ti/noun
irregularity is spelled I-R-R-E-G-U-L-A-R-I-T-Y: 12 letters and 6 syllables. It appears about once in every 3 million words in written English, the 48,775th most frequent word form (wordfreq, 2021 data). As a noun, irregularity means “An instance of being irregular” (English Wiktionary, September 2026). The plural of irregularity is irregularities.
How many letters and syllables are in irregularity?
| Letters | 12: I-R-R-E-G-U-L-A-R-I-T-Y |
|---|---|
| Syllables | 6 (from its American pronunciation) |
| In writing | about once in every 3 million words; the 48,775th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is irregularity?
Irregularity appears about once in every 3 million words in written English, the 48,775th 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 irregularity?
- UK /ɪˌɹɛ.ɡjʊˈlæ.ɹɪ.ti/
- /ɪˌɹɛ.ɡjəˈlɛɹ.ɪ.ti/
Irregularity has 6 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)-Vininn126-irregularity.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with irregularity?
5 words on PlainSpell end in the same sounds as irregularity from its last stressed vowel (/æɹɪti/, British pronunciation):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of irregularity
- irregularities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does irregularity mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An instance of being irregular.
- 2
The state or condition of being irregular, or the extent to which something is irregular.
- 3
An object or event that is not regular or ordinary.
an irregularity of surface
- 4
A violation of rules.
An investigation of the irregularities in the company's accounts uncovered a large-scale fraud.
- 5
Irregular bowel movement (e.g. diarrhea or constipation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Irregularity in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | irrégularité |
| German | Unregelmäßigkeit , Unebenheit , Unvorschriftsmäßigkeit, Ungesetzlichkeit |
| Portuguese | irregularidade |
| Spanish | irregularidad |
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 irregularity come from?
From Middle French irrégularité, from Medieval Latin irregularitas. Morphologically irregular + -ity.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).