Diphthongs

/ɔɪ/as in choice

One gliding sound: start on a rounded "aw", then slide up to a light "ee". Round to spread, in one motion.

Example words: choice, boy, noise, toy, enjoy

Accent
Mouth
Inside

How do you pronounce the /ɔɪ/ sound?

Lips

Start rounded, as for "aw". As you glide, the rounding relaxes and the lips move toward a slight spread. The diagram shows the rounded start.

Tongue

Start low and back. Glide up and forward toward the high-front "ee" position while the sound continues.

Length

Long. Hold the rounded "aw" start; let the "ee" ending stay short and light.

Video lesson

Try it

  1. Round your lips and start a strong "aw".
  2. While the voice keeps going, unround and glide the tongue up toward "ee".
  3. Feel the lips travel from round to spread in one smooth move.
  4. Try it in words: choice, boy, noise.

Check

Watch your lips in a mirror while saying "boy". They should start round and finish slightly spread, all inside one sound. If they stay round the whole time, the glide is missing.

Common trap

Splitting it into two syllables ("aw-ee"), or freezing on the rounded "aw", so "boy" comes out like "baw".

Practice: /ɔɪ/

Words

choicetʃˈɔɪs
boybˈɔɪ
noisenˈɔɪz
toytˈɔɪ
enjoyɪndʒˈɔɪ

Sentences

The boy enjoys playing with his new toys.ðə bˈɔɪ ɪndʒˈɔɪz plˈeɪɪŋ wɪð hɪz nˈu tˈɔɪz.
That noise annoys everyone at the office.ðˌæt nˈɔɪz ənˈɔɪz ˈɛvɹiwən æt ði ˈɔfəs.
Join us if you enjoy loud music.dʒˈɔɪn ˌʌs ɪf ju ɪndʒˈɔɪ lˈaʊd mjˈuzɪk.
It was a good choice to avoid the noise.ˌɪt wʌz ɐ ɡˈʊd tʃˈɔɪs tʊ əvˈɔɪd ðə nˈɔɪz.
Her voice sounds joyful this morning.hˌɜɹ vˈɔɪs sˈaʊndz dʒˈɔɪfəl ðɪs mˈɔɹnɪŋ.

Words

choicetʃˈɔɪs
boybˈɔɪ
noisenˈɔɪz
toytˈɔɪ
enjoyɪndʒˈɔɪ

Sentences

The boy enjoys playing with his new toys.ðə bˈɔɪ ɪndʒˈɔɪz plˈeɪɪŋ wɪð hɪz njˈuː tˈɔɪz.
That noise annoys everyone at the office.ðˌat nˈɔɪz ənˈɔɪz ˈɛvɹɪwʌn at ði ˈɒfɪs.
Join us if you enjoy loud music.dʒˈɔɪn ˌʌs ɪf juː ɪndʒˈɔɪ lˈaʊd mjˈuːzɪk.
It was a good choice to avoid the noise.ˌɪt wɒz ɐ ɡˈʊd tʃˈɔɪs tʊ əvˈɔɪd ðə nˈɔɪz.
Her voice sounds joyful this morning.hˌɜː vˈɔɪs sˈaʊndz dʒˈɔɪfʊl ðɪs mˈɔːnɪŋ.

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Diphthongs

Sounds in the same group

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