unhealthful
adjective
unhealthful is spelled U-N-H-E-A-L-T-H-F-U-L: 11 letters and 3 syllables. It appears about once in every 28 million words in written English, the 159,707th most frequent word form (wordfreq, 2021 data). As an adjective, unhealthful means “Not promoting health; detrimental to health” (English Wiktionary, September 2026).
How many letters and syllables are in unhealthful?
| Letters | 11: U-N-H-E-A-L-T-H-F-U-L |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 28 million words; the 159,707th 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 unhealthful?
Unhealthful appears about once in every 28 million words in written English, the 159,707th 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 unhealthful?
Unhealthful has 3 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).
Forms of unhealthful
- more unhealthful comparative
- most unhealthful superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unhealthful mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Not promoting health; detrimental to health.
An unhealthful diet and lack of exercise are common causes for heart disease.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unhealthful in Spanish, French, German and Portuguese
In the sense not healthy:
| Language | Words |
|---|---|
| German | gesundheitsschädlich, ungesund, unzuträglich |
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 unhealthful come from?
From un- + healthful.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).