sibylline
/ˈsɪbɪlaɪn/adjective, noun
sibylline is spelled S-I-B-Y-L-L-I-N-E. The wrong spelling people search most is sybilline: about 40 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 10 of all searches for the word. Sibylline is an adjective meaning “Of or pertaining to or resembling a sibyl or female oracle, especially the Cumaean Sibyl and the Sibylline…”.
How many letters and syllables are in sibylline?
| Letters | 9: S-I-B-Y-L-L-I-N-E |
|---|---|
| In writing | about once in every 20 million words; the 136,649th most frequent word form |
| Wrong spellings searched | 1; the most searched, sybilline, about 40 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; 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).
How do you spell sibylline?
Sibylline is spelled S-I-B-Y-L-L-I-N-E. One wrong spelling is searched or written often enough to measure; together they are about 1 in 10 of the searches for sibylline 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 sibylline?
Sibylline appears about once in every 20 million words in written English, the 136,649th 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 sibylline?
- UK /ˈsɪbɪlaɪn/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-sibylline.oga, Wikimedia Commons (author and licence on each file's page).
Forms of sibylline
- sibyllines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does sibylline mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of or pertaining to or resembling a sibyl or female oracle, especially the Cumaean Sibyl and the Sibylline Books.
- 2
Having oracle-like predicting powers, clairvoyant.
- 3
Occult, mysterious.
- 4
Excessively and exorbitantly expensive. (In allusion to the Sibyl who sold three books to Tarquinius Superbus at the price of the original nine.)
noun
- 1
One of the Sibylline Oracles or Sibylline Books.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Sibylline in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | sibyllin, sibyllique |
| Spanish | sibilino |
| German | sibyllinisch |
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 sibylline come from?
From Latin sibyllinus, Sibillinus, from Sibylla. By surface analysis, sibyl + -ine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).