Overlong vowels are words that contain vowels that are stretched out or extended in speech beyond their normal duration. Some synonyms for overlong vowel include elongated vowel, protracted vowel, stretched vowel, or drawn-out vowel. These synonyms help to convey the idea of a vowel sound that is longer than usual, creating a stressed syllable or a more emphasized sound. These words are commonly used in linguistics and phonetics to describe the way that certain words are pronounced and can be helpful in understanding the proper pronunciation of difficult words. By using these synonyms for overlong vowel, speakers can convey their message more effectively and clearly.