Consonant Contrast
How to Pronounce vast vs fast
Key Pronunciation Contrast
‘Fast’ begins with voiceless /f/ (⁄fæst⁄); ‘vast’ begins with voiced /v/ (⁄væst⁄).
Contrast: Voiceless /f/ vs voiced /v/
Word 1Full word page➔
vast
⁄væst⁄
Syllables
VAST
Definition:
Very large or wide (literally or figuratively).
“The Sahara desert is vast.”
“That rope is dangerously loose. Make it fast!”
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Frequently Asked Questions: vast vs fast
What is the difference in pronunciation between "vast" and "fast"?
‘Fast’ begins with voiceless /f/ (⁄fæst⁄); ‘vast’ begins with voiced /v/ (⁄væst⁄).
Where does the syllable stress fall in "vast" vs "fast"?
"vast" has 1 syllable(s) (vast) with stress on "VAST". "fast" has 1 syllable(s) (fast) with stress on "FAST".
Why do English learners often confuse "vast" and "fast"?
Learners frequently confuse them due to the close sound contrast: Voiceless /f/ vs voiced /v/. In rapid spoken English, context and vowel duration are the primary differentiators.
What are example sentences for "vast" and "fast"?
Example for "vast": "The Sahara desert is vast." Example for "fast": "That rope is dangerously loose. Make it fast!"