unprecedented
un·pre·ce·dent·ed/ʌnˈpɹɛsɪdɛntɪd/adjective
unprecedented is spelled U-N-P-R-E-C-E-D-E-N-T-E-D, 5 syllables: un·pre·ce·dent·ed. The wrong spelling people search most is unprecidented: about 80 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 21 of all searches for the word. Unprecedented is an adjective meaning “Never before seen, done, or experienced; without precedent”.
How many letters and syllables are in unprecedented?
| Letters | 13: U-N-P-R-E-C-E-D-E-N-T-E-D |
|---|---|
| Syllables | 5: un·pre·ce·dent·ed |
| In writing | 6.6 times per million words; the 9,313th most frequent word form |
| Wrong spellings searched | 3; the most searched, unprecidented, about 80 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 unprecedented?
Unprecedented is spelled U-N-P-R-E-C-E-D-E-N-T-E-D. 3 wrong spellings are searched or written often enough to measure; together they are about 1 in 10 of the searches for unprecedented 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 unprecedented?
Unprecedented appears 6.6 times per million words in written English, the 9,313th 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 unprecedented?
- /ʌnˈpɹɛsɪdɛntɪd/
- Australia /ʌnˈpɹiːsədɛntəd/
- Australia /-pɹɛs-/
Unprecedented has 5 syllables, split un·pre·ce·dent·ed in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-unprecedented.ogg, Wikimedia Commons (author and licence on each file's page).
What does unprecedented mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Never before seen, done, or experienced; without precedent.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unprecedented in Spanish, French, German and Portuguese
In the sense never before seen or done, without precedent:
| Language | Words |
|---|---|
| French | sans précédent, inédit, inouï |
| German | beispiellos, nie da gewesen |
| Portuguese | sem precedentes, inaudito |
| Spanish | sin precedente[s], inaudito, inédito |
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 unprecedented come from?
From un- + precedent + -ed.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).