There are actually two unstressed vowels in the word "similar". The first vowel, "i" is the only stressed vowel. The other two reduce to schwa in speech.
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.
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.
e
The unstressed vowel in poisonous us the u.
The unstressed vowel, or schwa, is the second vowel in Saturday:Sa-tur-day
e is the unstressed vowel in Febuary
The unstressed vowel in "envelope" is the schwa sound, represented by the symbol [ə]. It is the vowel sound found in the second syllable of the word, pronounced as "en-ve-lope".
It has a short A sound and an unstressed A (schwa). A similar word is palace.
Only the first syllable of "actually" is stressed, so all the vowels in the following syllables are unstressed: the "u", the second "a", and the "y". - The second a is unstressed. An unstressed vowel is pronounced "uhh." There is a difference between an unstressed vowel and and unstressed syllable.
Both u and a are unstressed.