/slæks/
Say it backSlacks refers to loose-fitting trousers, typically worn for casual or semi-formal settings. It can also describe a period of relaxation or laxness in effort. As a plural noun or verb form (slacks, slacking), the term centers on looseness, loosened clothing, or reduced tightness in action.
"She bought a pair of navy slacks for the office."
"The rope slackened as the sailors adjusted the gear."
"If you slack on your studies, you’ll fall behind – don’t slack off."
/slæks/ in US/UK/AU. The initial consonant cluster is /s/ + /l/ with a light onset. The vowel is a short, relaxed /æ/ as in “cat,” followed by a final /ks/ consonant blend. The stress is on the single syllable, so you should deliver a crisp, quick vowel with no extra syllable. Visualize your mouth opening to heighten the /æ/ then release into /ks/.
Common errors include turning /æ/ into a schwa in connected speech and mispronouncing the final /ks/ as /k/ or /s/ separately. Some speakers insert an unnecessary vowel, producing /səlæks/. To correct, keep a tight, concise nucleus /æ/ and glide straight into the /ks/ blend with a minimal, abrupt release.
In most US accents, /slæks/ is rhotic with a forward /æ/; the /l/ is light, and /ks/ is a clear final cluster. UK speakers maintain the same /æ/ vowel but can have a slightly shorter vowel duration and crisper /ks/. Australian pronunciation is similar but may feature a marginally more open /æ/ or subtle vowel rounding depending on region. The rhotics are generally non-rhotic in some UK accents, subtly affecting the surrounding vowel quality.
The difficulty lies in the rapid /æ/ nucleus followed immediately by the /ks/ final blend, which can blur in fast speech. The /l/ liaison can also soften slightly in some dialects, making the sequence sound like /slæks/ with less distinct /l/—or a vowel that shifts toward a schwa in connected speech. Focus on crisp onset, short /æ/, and a clean /ks/ release.
Yes—the final consonant cluster /ks/ often merges in rapid speech to a slightly palatalized or elongated release depending on the following word. You may hear a stronger /s/ or a softer /k/ in some speech contexts. Maintaining an audible, precise /ks/ sequence ensures the word stays distinct, especially when placed before vowels starting with a consonant.
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Slack originally comes from Old Norse slakr meaning loose or slack. In Middle English, slack referred to looseness or laxness of cords and muscles. The modern sense of the clothing item developed from the idea of loose, comfortable trousers designed for ease of movement. The verb form slacken emerged to describe reducing tension or urgency. The noun slacks as a specific garment became common in American English by the late 19th to early 20th century as industrial and office attire shifted to more comfortable, less formal pants. Over time, slacks have diverged culturally; in some regions they are indistinguishable from casual trousers, while in others they retain a semi-formal connotation when tailored. The term’s evolution mirrors changes in fashion toward practical, comfortable, ready-to-wear clothing in work environments.
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💡 These words have similar meanings to "slacks" and can often be used interchangeably.
🔄 These words have opposite meanings to "slacks" and show contrast in usage.
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Words that rhyme with "slacks"
-cks sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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