indubitable
/ɪnˈdubɪtəbəl/adjective, noun
indubitable is spelled I-N-D-U-B-I-T-A-B-L-E: 11 letters. It appears about once in every 22 million words in written English, the 143,405th most frequent word form (wordfreq, 2021 data). As an adjective, indubitable means “Clearly true; providing no possibility of doubt” (English Wiktionary, September 2026).
How many letters and syllables are in indubitable?
| Letters | 11: I-N-D-U-B-I-T-A-B-L-E |
|---|---|
| In writing | about once in every 22 million words; the 143,405th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is indubitable?
Indubitable appears about once in every 22 million words in written English, the 143,405th 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 indubitable?
- UK /ɪnˈdjuːbɪtəbəl/
- US /ɪnˈdubɪtəbəl/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Wodencafe-indubitable.wav, Wikimedia Commons (author and licence on each file's page).
Forms of indubitable
- more indubitable comparative
- most indubitable superlative
- indubitables plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does indubitable mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Clearly true; providing no possibility of doubt.
The indubitable effect of the potion convinced many nonbelievers.
noun
- 1
That which is indubitable.
If we build logically upwards from a few indubitables, the whole system must remain correct.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Indubitable in Spanish, French, German and Portuguese
In the sense not dubitable:
| Language | Words |
|---|---|
| French | indubitable |
| German | unzweifelhaft |
| Spanish | indudable |
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 indubitable come from?
Either from French indubitable or Latin indubitābilis. By surface analysis, in- + dubitable.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).