Vocal/ˈvəʊkl/ Definition 1 of 3Pro Tip 1/3Voice Quality Describes the sound of a person's singing or speaking voice. Her vocal performance was stunning. Pro Tip 2/3Not Always Singing It can refer to speaking voices, not just singing voices. His vocal delivery during the speech was powerful. Pro Tip 3/3Health and Emotion A person's emotions or health can affect their vocal qualities. She sounded hoarse; her vocal condition wasn't the best.