demonstrable
/dɪˈmɑnstɹəbl̩/adjective, noun
demonstrable is spelled D-E-M-O-N-S-T-R-A-B-L-E: 12 letters and 4 syllables. It appears about once in every 2 million words in written English, the 45,363rd most frequent word form (wordfreq, 2021 data). As an adjective, demonstrable means “Able to be demonstrated” (English Wiktionary, September 2026).
How many letters and syllables are in demonstrable?
| Letters | 12: D-E-M-O-N-S-T-R-A-B-L-E |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 45,363rd 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 demonstrable?
Demonstrable appears about once in every 2 million words in written English, the 45,363rd 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 demonstrable?
- UK /dɪˈmɒnstɹəbl̩/
- UK /ˈdɛmənstɹəbl̩/
- US /dɪˈmɑnstɹəbl̩/
Demonstrable has 4 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)-Grendelkhan-demonstrable.wav, Wikimedia Commons (author and licence on each file's page).
Forms of demonstrable
- more demonstrable comparative
- most demonstrable superlative
- demonstratable
- demonstrables plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does demonstrable mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Able to be demonstrated.
It is easily demonstrable that water extinguishes fire.
noun
- 1
Something that can be demonstrated.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Demonstrable in Spanish, French, German and Portuguese
In the sense able to be demonstrated:
| Language | Words |
|---|---|
| French | démontrable |
| German | nachweislich |
| Portuguese | demonstrável |
| Spanish | demostrable |
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 demonstrable come from?
From Middle English demonstrable, from Old French.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).