The unstressed vowel in the word "poisonous" is the 'i' in the second syllable.
The unstressed vowel in the word "abandon" is the letter "a".
The unstressed vowel in the word "sentence" is the second "e" sound.
The unstressed vowel in the word "frightening" is the letter "i" in the second syllable "-ten-".
An unstressed vowel is a vowel in the word you don't sound.
The unstressed vowel in the word "boundary" is the letter "o" which is pronounced as /ə/ (schwa sound).
The unstressed vowel in poisonous us the u.
An unstressed vowel is a vowel in the word you don't sound.
An unstressed vowel is a vowel in the word you don't sound.
The unstressed vowel in the word "frightening" is the letter "i" in the second syllable "-ten-".
The unstressed vowel in the word "sentence" is the second "e" sound.
e
An unstressed vowel is a vowel in the word you don't sound.
The unstressed vowel in the word "boundary" is the letter "o" which is pronounced as /ə/ (schwa sound).
An unstressed vowel is a vowel in the word you don't sound.
The unstressed vowel in the word "separate" is the schwa sound /ə/. It is the most common unstressed vowel sound in English and is often represented by the symbol "ə".
The unstressed vowel in "interrupt" is the second 'e' sound, represented by the letter 'e' in the word.
The unstressed vowel in "explanatory" is the schwa sound, which is represented by the letter "a" in this word. It is pronounced as /ə/.