irreversibly
adverb
irreversibly is spelled I-R-R-E-V-E-R-S-I-B-L-Y: 12 letters and 5 syllables. It appears about once in every 3 million words in written English, the 52,337th most frequent word form (wordfreq, 2021 data). As an adverb, irreversibly means “In an irreversible manner” (English Wiktionary, September 2026).
How many letters and syllables are in irreversibly?
| Letters | 12: I-R-R-E-V-E-R-S-I-B-L-Y |
|---|---|
| Syllables | 5 (from its American pronunciation) |
| In writing | about once in every 3 million words; the 52,337th 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 irreversibly?
Irreversibly appears about once in every 3 million words in written English, the 52,337th 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 irreversibly?
Irreversibly 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).
Forms of irreversibly
- more irreversibly comparative
- most irreversibly superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does irreversibly mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adverb
- 1
In an irreversible manner.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Irreversibly in Spanish, French, German and Portuguese
In the sense In an irreversible manner:
| Language | Words |
|---|---|
| French | irréversiblement |
| German | unumkehrbar, irreversibel, unwiderruflich, unabänderlich |
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 irreversibly come from?
From irreversible + -ly or ir- + reversibly.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).