2 syllables: main, ly. Stress on main.
MAYN-lee
/ˈmeɪnli/
mainly is pronounced MAYN-lee (/ˈmeɪnli/). It has two syllables (main-ly), with the stress on "main". Mainly means for the most part or primarily; the word signals emphasis on the principal aspect or reason in a statement. It often introduces the main cause, purpose, or characteristic, while allowing for minor exceptions. In usage, it marks the predominant factor in what is being described, with nuance toward the chief component rather than the entirety.
Mainly means for the most part or primarily; the word signals emphasis on the principal aspect or reason in a statement. It often introduces the main cause, purpose, or characteristic, while allowing for minor exceptions. In usage, it marks the predominant factor in what is being described, with nuance toward the chief component rather than the entirety.
"The project was challenging, mainly due to the tight deadline."
"She is mainly interested in science, though she also enjoys literature."
"The decision was mainly about budget constraints rather than policy."
Pronounce as /ˈmeɪn.li/ with primary stress on the first syllable. The first syllable rhymes with ‘brain’ (meɪn) and the second is a light, unstressed /li/ or /liə/ in rapid speech. In careful speech, keep the /l/ clear and avoid tensing the tongue; in quick speech, the /i/ may be reduced slightly. Audio examples: Cambridge or Forvo entries for /ˈmeɪn.li/.
Common errors include pronouncing as two syllables with equal weight and sounding it like ‘main-lea’ instead of the unstressed second syllable. Also, learners sometimes flatten the /eɪ/ toward a simple /e/ sound, giving /ˈmen.li/. To correct: ensure the first syllable carries strong stress and the second is light; keep the /eɪ/ as a diphthong rather than a tense monophthong, and finish with a soft, light /l.i/ rather than a strong vowel.
In US/UK/AU, the primary stress remains on the first syllable /ˈmeɪn/. The diphthong /eɪ/ is typically the same across. Subtle differences arise in rhoticity and the quality of the final /li/: US speakers may have a clearer /r/ environment that slightly affects adjacent vowels in connected speech; UK speakers emphasize non-rhoticity, with a slightly shorter offglide; Australian speech often shows a more centralized or rounded vowel quality and a lighter /l/ at the end. Overall, differences are modest but perceptible in vowel height and rhoticity.
The challenge lies in maintaining strong first-syllable stress while keeping the second syllable light and reduced, which is a common pitfall for learners moving from slower to natural speech. The /eɪ/ diphthong also requires precise tongue position: start with an open-mid front position and glide toward a higher front position; the /l/ can bleed into the following syllable if the tongue isn’t relaxed. Mastery demands careful timing and air flow control.
Yes. In fluent connected speech, many native speakers de-emphasize the second syllable, producing something closer to /ˈmeɪnli/ with a light or even nearly silent /l/ and a very brief /i/. This is common in casual contexts and rapid speech. To practice, aim for a light, quick secondary release: keep the tip of the tongue near the alveolar ridge for the /l/ and let the vowel quickly pass to give an efficient, natural cadence.
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Mainly derives from the adjective main, which traces to the Old English mæin, from Proto-Germanic maginaz meaning ‘strong, principal’ or ‘great, main.’ The suffix -ly, from Old English -līc (like, characteristic of), turns adjectives into adverbs with the meaning ‘in the manner of’ or ‘to a significant extent.’ The combined form mainly historically emphasizes the principal or chief aspect of something. In Early Modern English, usage expanded from literal primary importance to more abstract emphasis (for example, mainly aesthetic, mainly financial), aligning with adverbial uses of -ly to describe the extent, rather than the precise degree. First known uses appear in Middle English texts where main functioned as an adjective describing the principal part and -ly as a productive adverbial suffix; over time, mainly became a common adverb indicating the dominant factor across genres, from formal writing to everyday speech. Modern usage maintains the sense of predominance while allowing for exceptions or qualifiers near the main point.
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Words that rhyme with "mainly"
-iny sounds
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