slackness
/ˈslæknəs/noun
slackness is spelled S-L-A-C-K-N-E-S-S: 9 letters and 2 syllables. It appears about once in every 15 million words in written English, the 117,098th most frequent word form (wordfreq, 2021 data). As a noun, slackness means “The state of being slack; the quality of having slack” (English Wiktionary, September 2026). The plural of slackness is slacknesses.
How many letters and syllables are in slackness?
| Letters | 9: S-L-A-C-K-N-E-S-S |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 15 million words; the 117,098th 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 slackness?
Slackness appears about once in every 15 million words in written English, the 117,098th 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 slackness?
- US /ˈslæknəs/
Slackness 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).
What rhymes with slackness?
2 words on PlainSpell end in the same sounds as slackness from its last stressed vowel (/æknəs/):
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 slackness
- slacknesses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does slackness mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The state of being slack; the quality of having slack.
- 2
Vulgarity in West Indian culture.
- 3
A subgenre of dancehall music with sexual lyrics.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does slackness come from?
From Middle English slacnesse, slakenes, slaknesse; equivalent to slack + -ness. Compare Old English slæcnes.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).