inestimable
/ɪnˈɛstɪməbl/adjective
inestimable is spelled I-N-E-S-T-I-M-A-B-L-E: 11 letters. It appears about once in every 7 million words in written English, the 81,375th most frequent word form (wordfreq, 2021 data). As an adjective, inestimable means “Not able to be estimated; not able to be calculated, computed or comprehended, as because of great scale, degree or magnitude” (English Wiktionary, September 2026).
How many letters and syllables are in inestimable?
| Letters | 11: I-N-E-S-T-I-M-A-B-L-E |
|---|---|
| In writing | about once in every 7 million words; the 81,375th 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 inestimable?
Inestimable appears about once in every 7 million words in written English, the 81,375th 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 inestimable?
- /ɪˈnɛs.tɪ.mə.bəl/
- UK /ɪnˈɛstɪməbl/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-inestimable.wav, Wikimedia Commons (author and licence on each file's page).
Forms of inestimable
- inæstimable
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does inestimable mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Not able to be estimated; not able to be calculated, computed or comprehended, as because of great scale, degree or magnitude.
The Voyager spacecraft explored the solar system and continued into the inestimable space beyond.
- 2
Venerable, great.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Inestimable in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| Portuguese | inestimável |
| Spanish | inestimable |
| French | inappréciable |
| German | unschätzbar |
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 inestimable come from?
From Middle French inestimable, from Latin inaestimābilis, from in (“un-”, “not”) + aestimābilis (“estimable”). Equivalent to in- + estimable.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).