Uttering is the act of speaking or making a sound. It is often used to describe the vocalization of words, but it can also refer to any type of sound that is made with the mouth. Giving voice to is a phrase that is used to describe the act of expressing one's thoughts and feelings through words or other forms of communication. It is often used to describe the act of speaking up for oneself or others in order to make sure that one's opinion is heard.