slowdown
/ˈsloʊˌdaʊn/noun
slowdown is spelled S-L-O-W-D-O-W-N: 8 letters and 2 syllables. It appears 1.3 times per million words in written English, the 25,367th most frequent word form (wordfreq, 2021 data). As a noun, slowdown means “A reduction in speed, or a decrease in the level of production, economic activity, etc” (English Wiktionary, September 2026). The plural of slowdown is slowdowns.
How many letters and syllables are in slowdown?
| Letters | 8: S-L-O-W-D-O-W-N |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 1.3 times per million words; the 25,367th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is slowdown?
Slowdown appears 1.3 times per million words in written English, the 25,367th 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 slowdown?
- US /ˈsloʊˌdaʊn/
Slowdown 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).
Words people confuse with slowdown
Also written: slow-down (one word or two).
Sources: English Wiktionary (homophones, alternative spellings).
What rhymes with slowdown?
3 words on PlainSpell end in the same sounds as slowdown from its last stressed vowel (/oʊdaʊn/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of slowdown
- slowdowns plural
- slow-down
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does slowdown mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A reduction in speed, or a decrease in the level of production, economic activity, etc.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Slowdown in Spanish, French, German and Portuguese
In the sense a reduction in speed, or a decrease in the level of production, etc:
| Language | Words |
|---|---|
| Portuguese | abrandamento |
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 slowdown come from?
Deverbal from slow down.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).