infallibility
/ɪnˌfæləˈbɪləti/noun
infallibility is spelled I-N-F-A-L-L-I-B-I-L-I-T-Y. The wrong spelling people search most is infalability: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 26 of all searches for the word. Infallibility is a noun meaning “The property of being infallible; the ability to never make a mistake”. The plural of infallibility is infallibilities.
How many letters and syllables are in infallibility?
| Letters | 13: I-N-F-A-L-L-I-B-I-L-I-T-Y |
|---|---|
| Syllables | 6 (from its American pronunciation) |
| In writing | about once in every 4 million words; the 57,423rd most frequent word form |
| Wrong spellings searched | 1; the most searched, infalability, about 10 Bing searches a month (all of them) |
| 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); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.
How do you spell infallibility?
Infallibility is spelled I-N-F-A-L-L-I-B-I-L-I-T-Y. One wrong spelling is searched or written often enough to measure; together they are about 1 in 26 of the searches for infallibility in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is infallibility?
Infallibility appears about once in every 4 million words in written English, the 57,423rd 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 infallibility?
- US /ɪnˌfæləˈbɪləti/
- US /ˌɪnˌfæləˈbɪləti/
Infallibility 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)-Vealhurl-infallibility.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with infallibility?
The 12 most written words on PlainSpell end in the same sounds as infallibility from its last stressed vowel (/ɪləti/):
- responsibility
- possibility
- capability
- probability
- accountability
- fertility
- sustainability
- eligibility
- instability
- vulnerability
- compatibility
- accessibility
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 infallibility
- infallibilities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does infallibility mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The property of being infallible; the ability to never make a mistake.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Infallibility in Spanish, French, German and Portuguese
In the sense the ability to never make a mistake:
| Language | Words |
|---|---|
| French | infaillibilité |
| German | Unfehlbarkeit |
| Spanish | infalibilidad |
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.