unintentionally
adverb
unintentionally is spelled U-N-I-N-T-E-N-T-I-O-N-A-L-L-Y: 15 letters and 6 syllables. It appears 1.6 times per million words in written English, the 22,073rd most frequent word form (wordfreq, 2021 data). As an adverb, unintentionally means “Without meaning to, in an unintentional manner, not intentionally” (English Wiktionary, September 2026).
How many letters and syllables are in unintentionally?
| Letters | 15: U-N-I-N-T-E-N-T-I-O-N-A-L-L-Y |
|---|---|
| Syllables | 6 (from its American pronunciation) |
| In writing | 1.6 times per million words; the 22,073rd 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 unintentionally?
Unintentionally appears 1.6 times per million words in written English, the 22,073rd 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 unintentionally?
Unintentionally has 6 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 unintentionally
- more unintentionally comparative
- most unintentionally superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unintentionally mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adverb
- 1
Without meaning to, in an unintentional manner, not intentionally.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unintentionally in Spanish, French, German and Portuguese
In the sense in an unintentional manner:
| Language | Words |
|---|---|
| French | involontairement, inintentionnellement |
| German | unabsichtlich, unbeabsichtigt, ungewollt, unfreiwillig |
| Portuguese | sem querer, involuntariamente, despropositadamente |
| Spanish | sin querer, involuntariamente, inintencionalmente, no intencionadamente |
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 unintentionally come from?
From unintentional + -ly or un- + intentionally.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).