Simple Definition:

A vowel is a sound that is made by the voice without blocking or obstructing [blocking or stopping something from moving normally] the air flowing out through the mouth. The English language has 14-20 vowels (depending on where you are in the world) which are represented by the letters A, E, I, O, and U.

Examples:

For example, the letter A can represent the “short a” vowel (as in “cat”, “bat”), the “long a” vowel (as in “father”, “hat”).

The letter O can represent the sound in “dog” and “log|, or the sound in “boat” and “phone”.

Very Simple Definition:

A vowel is a sound we make with our mouth that makes words sound different. There are five vowels in English: A, E, I, O, and U.

Examples:

• A: “cat”, “bat”
• E: “pen”, “hen”
• I: “big”, “pig”
• O: “dog”, “log”
• U: “cut”, “nut”