fallback
/ˈfɔːl.bæk/noun, adjective
fallback is spelled F-A-L-L-B-A-C-K: 8 letters and 2 syllables. It appears about once in every 2 million words in written English, the 43,663rd most frequent word form (wordfreq, 2021 data). As a noun, fallback means “An act of falling back” (English Wiktionary, September 2026). The plural of fallback is fallbacks.
How many letters and syllables are in fallback?
| Letters | 8: F-A-L-L-B-A-C-K |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 43,663rd 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 fallback?
Fallback appears about once in every 2 million words in written English, the 43,663rd 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 fallback?
- /ˈfɔːl.bæk/
Fallback 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-fallback.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with fallback
Also written: fall-back (one word or two).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of fallback
- fallbacks plural
- fall-back
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does fallback mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An act of falling back.
A failure of one of the rocket's first-stage engines just after liftoff would result in a destructive pad fallback.
- 2
A backup plan or contingency strategy; an alternative which can be used if something goes wrong with the main plan; a recourse.
As a fallback, I suppose we can use typewriters if the word processing system fails.
- 3
A reduction in bitumen softening point, sometimes called refluxing or overheating, in a relatively closed container.
- 4
Pulverised material that falls back to earth after a nuclear explosion; fallout.
adjective
- 1
That can be resorted to as a fallback.
a fallback plan
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Fallback in Spanish, French, German and Portuguese
In the sense a backup plan:
| Language | Words |
|---|---|
| French | plan de repli, solution de repli, plan B |
| German | Plan B |
| Portuguese | plano alternativo, plano B, recurso |
| Spanish | plan B |
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 fallback come from?
From the verb fall back.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).