irresistibly
adverb
irresistibly is spelled I-R-R-E-S-I-S-T-I-B-L-Y: 12 letters and 5 syllables. It appears about once in every 3 million words in written English, the 51,738th most frequent word form (wordfreq, 2021 data). As an adverb, irresistibly means “In an irresistible manner” (English Wiktionary, September 2026).
How many letters and syllables are in irresistibly?
| Letters | 12: I-R-R-E-S-I-S-T-I-B-L-Y |
|---|---|
| Syllables | 5 (from its American pronunciation) |
| In writing | about once in every 3 million words; the 51,738th 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 irresistibly?
Irresistibly appears about once in every 3 million words in written English, the 51,738th 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 irresistibly?
- US
Irresistibly has 5 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)-Flame,_not_lame-irresistibly.wav, Wikimedia Commons (author and licence on each file's page).
Forms of irresistibly
- more irresistibly comparative
- most irresistibly superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does irresistibly mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adverb
- 1
In an irresistible manner.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Irresistibly in Spanish, French, German and Portuguese
In the sense in an irresistible manner:
| Language | Words |
|---|---|
| French | irrésistiblement |
| Portuguese | irresistivelmente |
| Spanish | irresistiblemente |
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 irresistibly come from?
From irresistible + -ly.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).