inexhaustible

in·ex·haus·ti·ble/ɪnɪɡˈzɔːstɪbl̩/adjective

inexhaustible is spelled I-N-E-X-H-A-U-S-T-I-B-L-E: 13 letters and 5 syllables (in·ex·haus·ti·ble). It appears about once in every 3 million words in written English, the 48,775th most frequent word form (wordfreq, 2021 data). As an adjective, inexhaustible means “Impossible to exhaust; unlimited” (English Wiktionary, September 2026).

How many letters and syllables are in inexhaustible?

Letters	13: I-N-E-X-H-A-U-S-T-I-B-L-E
Syllables	5: in·ex·haus·ti·ble
In writing	about once in every 3 million words; the 48,775th 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 inexhaustible?

Inexhaustible appears about once in every 3 million words in written English, the 48,775th most frequent word form in the list.

inexhaustible0.0010.010.11101001,00010,000

rarerper million words of written Englishmore common

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce inexhaustible?

/ɪnɪɡˈzɔːstɪbl̩/

Inexhaustible has 5 syllables, split in·ex·haus·ti·ble in writing.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-inexhaustible.wav, Wikimedia Commons (author and licence on each file's page).

What does inexhaustible mean?

The meanings the English Wiktionary records, quoted as written there (source below).

adjective

1
Impossible to exhaust; unlimited.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Inexhaustible in Spanish, French, German and Portuguese

In the sense impossible to exhaust:

Language	Words
French	inépuisable
German	unerschöpflich
Spanish	inagotable, inexhaurible

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.