One syllable: lacks.
/læks/
Say it backLacks is a verb meaning to be missing or deficient in something, or to be short of a required amount. It can also function as a noun in some dialects to mean a deficit. In everyday use, it often appears in phrases like “lacks of evidence” (archaic) or more commonly “lacks taste.” In standard modern usage, the meaning centers on not having enough of a needed quality or resource.
"The team lacks the discipline to finish on time."
"This recipe lacks enough salt for my taste."
"He lacks experience in handling complex negotiations."
Pronounce as /læks/ in US and UK accents; lips start relaxed, bottom lip touches upper teeth, short /æ/ vowel, final /ks/ cluster produced with a quick tongue touch to the alveolar ridge. Stress is on the word naturally as a single-syllable verb. For audio references, you can compare with similar short words like backs or tracks. Practice by isolating vowel /æ/ before the sibilant /ks/ and ensure the /k/ and /s/ are crisp, not merged.
Common mistakes include mispronouncing the vowel as /eɪ/ or /e/ (as in ‘lakes’), releasing the /k/ and /s/ too slowly, or turning /ks/ into a simple /k/ or /s/ segment. To correct: keep a short /æ/ before /ks/ and land the /k/ and /s/ quickly in a single motion; end with a sharp sibilant. Ensure your tongue taps the alveolar ridge for the /t/ or /d/ sounds only if you’re over enunciating; here, a clean /ks/ is best.
US and UK share /læks/ but with subtle differences: US tends toward a slightly looser /æ/ and crisper /ks/; some UK speakers may have a tighter /æ/ and more clipped final /s/. Australian English often features a more centralized or lowered /æ/ depending on region, with a lightly reduced vowel before /ks/. In all, rhoticity does not affect this word, but vowel quality and timing of the /k/ and /s/ can vary slightly across accents.
The difficulty lies in the short, lax vowel /æ/ before a fast consonant cluster /ks/. Many learners merge /æ/ with neighboring vowels or insert an extra sound before /ks/, e.g., saying /læɡs/ or /lækz/. Others overemphasize the /k/ or /s/ leading to a prolonged or triphthong-like ending. Focus on a crisp, rapid /æ/ followed immediately by /k/ then /s/. Use tight articulators and a quick tongue snap to keep the final cluster clean.
A distinctive feature is the clean, abrupt /ks/ cluster after /æ/. This requires precise tongue positioning: the back of the tongue taps near the soft palate to cue the /k/ then quickly slides to the alveolar ridge for the /s/. You should avoid voicing the /k/ when transitioning to /s/ (no slight /g/ sound). The single-syllable rhythm is tight and percussive—practice keeping a short, quick vowel before the crisp final cluster.
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- US: keep the /æ/ open and bright; the /ks/ cluster should be crisp, with a quick release. - UK: may have a slightly rounded mouth shape and a tighter /æ/ in some dialects; keep vowel steady and don’t let it drift into /eɪ/ or /e/. - AU: vowel height can be more centralized; aim for a clear, short /æ/ and a sharp /ks/ with less lip rounding. All: rhoticity is not a factor here, focus on vowel quality and the rapid /ks/ release; IPA benchmarks: /læks/ across dialects.
Lacks comes from Middle English lacchen, from Old English lacian, meaning to be lacking or to be little, from lac (deficiency, want). The form with -s developed as a third-person singular present tense ending in English. The word shares its semantic core with other words denoting absence or deficit, such as lack, lacking, and lackey (historically unrelated in meaning but sharing root phonology). The earliest attestations of lacchen appear in legal and religious texts in the 13th-14th centuries, where it described a deficit in goods or rights. Over time, lacks narrowed to indicate a deficiency in quantity or quality rather than a mere absence, aligning with modern verbs like “lacks” as a present-tense form. The evolution reflects a broader semantic shift from physical lack of objects to abstract shortages such as evidence, resources, or motivation. The word has remained relatively stable in form, with the main novelty being expanded idiomatic usage and collocations such as “lacks in,” and “lacks of,” the latter increasingly recognized as nonstandard in contemporary usage. First known use in print is found in legal charters and scholastic writings, with more colloquial usage rising in 18th- and 19th-century prose.
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💡 These words have similar meanings to "lacks" and can often be used interchangeably.
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Words that rhyme with "lacks"
-cks sounds
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