unreliability
noun
unreliability is spelled U-N-R-E-L-I-A-B-I-L-I-T-Y: 13 letters and 7 syllables. It appears about once in every 4 million words in written English, the 59,387th most frequent word form (wordfreq, 2021 data). As a noun, unreliability means “The quality of being unreliable” (English Wiktionary, September 2026). The plural of unreliability is unreliabilities.
How many letters and syllables are in unreliability?
| Letters | 13: U-N-R-E-L-I-A-B-I-L-I-T-Y |
|---|---|
| Syllables | 7 (from its American pronunciation) |
| In writing | about once in every 4 million words; the 59,387th 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 unreliability?
Unreliability appears about once in every 4 million words in written English, the 59,387th 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 unreliability?
- US
Unreliability has 7 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)-NaomiAmethyst-unreliability.wav, Wikimedia Commons (author and licence on each file's page).
Forms of unreliability
- unreliabilities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unreliability mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The quality of being unreliable.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unreliability in Spanish, French, German and Portuguese
In the sense the quality of being unreliable:
| Language | Words |
|---|---|
| French | manque de sérieux, manque de fiabilité |
| German | Unzuverlässigkeit |
| Spanish | inseguridad |
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 unreliability come from?
From un- + reliability.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).