Euphonious does mean pleasurable to the ear so the answer to this definitely true. If used in a sentence, it could be used as "The latest song by your favorite band was definitely euphonious. I want to buy their new album and listen to that song over and over again."
The definition of euphonious is pleasing to the ear. It can refer to words and sounds. Mild and calming words in some text or book have an euphonic effect, a pleasant effect. Euphonious in the text is achieved by the use of vowel sounds. contribute to the creation of serene images. Also, music that produces a pleasant sound is euphonic. It is achieved with mild tones that smoothly affect the listener.
