unsound
/ˌʌnˈsaʊnd/adjective
unsound is spelled U-N-S-O-U-N-D: 7 letters and 2 syllables. It appears about once in every 2 million words in written English, the 40,703rd most frequent word form (wordfreq, 2021 data). As an adjective, unsound means “Not whole, not solid, defective” (English Wiktionary, September 2026).
How many letters and syllables are in unsound?
| Letters | 7: U-N-S-O-U-N-D |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 40,703rd 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 unsound?
Unsound appears about once in every 2 million words in written English, the 40,703rd 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 unsound?
- /ˌʌnˈsaʊnd/
Unsound has 2 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)-Vealhurl-unsound.wav, Wikimedia Commons (author and licence on each file's page).
Forms of unsound
- more unsound comparative
- unsounder comparative
- most unsound superlative
- unsoundest superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unsound mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Not whole, not solid, defective.
unsound mind
- 2
Infirm, diseased.
- 3
UKNot good, unreliable.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does unsound come from?
From un- + sound.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).