infirmity
/ɪnˈfɜɹməti/noun
infirmity is spelled I-N-F-I-R-M-I-T-Y: 9 letters and 4 syllables. It appears about once in every 5 million words in written English, the 65,114th most frequent word form (wordfreq, 2021 data). As a noun, infirmity means “Feebleness, frailty or ailment, especially due to old age” (English Wiktionary, September 2026). The plural of infirmity is infirmities.
How many letters and syllables are in infirmity?
| Letters | 9: I-N-F-I-R-M-I-T-Y |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 5 million words; the 65,114th 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 infirmity?
Infirmity appears about once in every 5 million words in written English, the 65,114th 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 infirmity?
- UK /ɪnˈfɜːmɪti/
- US /ɪnˈfɜɹməti/
Infirmity 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)-Vininn126-infirmity.wav, Wikimedia Commons (author and licence on each file's page).
Forms of infirmity
- infirmities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does infirmity mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Feebleness, frailty or ailment, especially due to old age.
physical infirmity
- 2
A moral weakness or defect.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Infirmity in Spanish, French, German and Portuguese
In the sense feebleness:
| Language | Words |
|---|---|
| French | infirmité |
| German | Gebrechlichkeit |
| Spanish | enfermedad |
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 infirmity come from?
From infirm + -ity.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).