Standard Lemma guide

slackness

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: /ˈslæknəs/
  • rhymes with -æknəs
  • CMU ARPABET: S L AE1 K N AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The state of being slack; the quality of having slack.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Vulgarity in West Indian culture.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A subgenre of dancehall music with sexual lyrics.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the quality of being lax and neglectful

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: laxness, laxity, remissness

Antonyms: none provided

Broader terms: negligence, neglect, neglectfulness

5

noun

Meaning 5

the quality of being loose (not taut)

Definition source: Princeton WordNet 3.0

Examples

  • he hadn't counted on the slackness of the rope

Meaning relationships

Synonyms: slack

Antonyms: none provided

Broader terms: looseness, play

6

noun

Meaning 6

weakness characterized by a lack of vitality or energy

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: inanition, lassitude, lethargy

Antonyms: none provided

Broader terms: weakness

History

Etymology

From Middle English slacnesse, slakenes, slaknesse; equivalent to slack + -ness. Compare Old English slæcnes.

Across languages

Translations

5 source translations are retained for this English entry.

  • Dutch: slapte — state of being slack
  • Hindi: शिथिलता (śithiltā) — state of being slack
  • Ido: laxeso — state of being slack
  • Irish: leibideacht — state of being slack
  • Ottoman Turkish: گوشكلك (gevşeklik) — state of being slack