2 syllables: deep, est. Stress on deep.
/ˈdiː.pɪst/
Say it backDeepest is the superlative form of deep, used to describe the highest degree of depth or the farthest point in space, quantity, or feeling. It denotes the extreme end of a scale and often implies a qualitative intensity that surpasses all others in the same category. In usage, it can modify nouns or function as part of a predicate adjective.
- You may default to a flat /diːpst/ with a reduced second syllable; ensure you insert a short, relaxed vowel in the middle (the /ə/ or /ɪ/) to avoid a heavy final cluster. - Blending the /p/ into the /t/ by not releasing or aspirating properly; keep a brief vowel between them to separate the plosive by micro-vowel. - Over-aspirating the /d/ at onset, turning it into a stronger, crisper sound; ease the tongue and let the voice start slightly after the /d/. - Final /st/ can be too soft or whispered in quick speech; aim for a crisp but not explosive finish. - In rapid speech, the second syllable can be swallowed; practice with extra syllable clarity.
"The deepest part of the ocean remains largely unexplored."
"She felt the deepest sympathy for his loss."
"We reached the deepest level of the maze before finding an exit."
Pronounce it as /ˈdiː.pəst/ in US; /ˈdiː.pɪst/ can occur in fast speech in some UK/AU dialects. Start with a long E sound /iː/ in the first syllable, then a short, relaxed /ə/ or /ɪ/ in the second syllable, and finish with /st/. Primary stress on the first syllable: DEE-pust.
Mistakes include treating it as two identical syllables with a long middle vowel (DEE-pest) or reducing it to /diːpst/ with an absent schwa in second syllable. Also, some non-native speakers insert an extra syllable (dee-pee-st) or blend /pst/ with a strong /t/. Correction: keep the second syllable as a short vowel /ə/ or /ɪ/ and ensure the /st/ cluster is crisp but not overemphasized.
US tends to use /ˈdiː.pəst/ with a clear /ə/; UK often leans toward /ˈdiː.pɪst/ with a slightly higher vowel in the second syllable; AU can be similar to US but may have a more centralized /ə/ or a lightly reduced /ɪ/. Rhoticity is typically not a factor here since /ɜːr/ isn’t involved; the key difference is the second syllable vowel quality and the speed of linking into following words.
The difficulty lies in maintaining two closed consonant clusters /d/ and /p/ separated by a short unstressed vowel, plus the final /st/ cluster. Achieving a clean, non-towy second syllable and avoiding an extra syllable requires precise tongue relaxation: keep the tongue low-mid for /ə/ or /ɪ/, avoid squashing the second syllable, and end with a crisp /st/ without voicing.
The final -est suffix in deepest often has a reduced vowel in connected speech, making the second syllable sound like /pə/ or /pɪ/ depending on pace. In careful speech, you’ll hear /ˈdiː.pəst/; in fast speech, it can become /ˈdiː.pɪst/ or even /ˈdiː.pst/ with a subtle omission of the schwa.
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- In US, keep rhoticity neutral, pronounce the first syllable with a clear /iː/ and the second with /ə/; the /st/ is a crisp closing cluster. - In UK, you may hear a slightly shorter /ə/ or /ɪ/ in the second syllable and a marginally less rounded vowel for /ɪ/; ensure non-rhoticity still allows a full /t/ after /p/. - In AU, the second syllable may be even more centralized toward /ə/; maintain a quick, light transition to the /st/ cluster and preserve vowel reduction. IPA references: US /ˈdiː.pəst/, UK /ˈdiː.pɪst/, AU /ˈdiː.pəst/.
Deepest derives from the adjective deep, with the standard English comparative and superlative suffixes -er and -est. The word deep comes from Old English deop, related to Dutch diep and German tief, which trace back to Proto-Germanic *deupuz, and further to Proto-Indo-European root *dheupa- meaning ‘to be deep, thick, or dense.’ The superlative -est formation appeared in Old English and was reinforced in Middle English as verbose forms like depeost or deopest; over time the vowel shifts and consonant changes settled into deepest. The semantic expansion from physical depth to abstract depth (emotional, intellectual) occurred gradually in Middle English, aligning with other adjectives that express extreme degree. First known usage in the sense of “most deep” appears in early Middle English texts, with religious, nautical, and philosophical contexts emphasizing extremes of depth or intensity. In modern usage, deepest often signals not just physical distance but the extremity of experience or quality.
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💡 These words have similar meanings to "deepest" and can often be used interchangeably.
🔄 These words have opposite meanings to "deepest" and show contrast in usage.
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Words that rhyme with "deepest"
-ast sounds
-sed sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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