Impress/ɪmˈpres/ Definition 1 of 4Pro Tip 1/2Emotional Impact Use 'impress' to describe someone making a strong, positive impact emotionally or mentally. The poet's words impressed the audience deeply. Pro Tip 2/2Not Just Visual 'Impress' involves more than seeing; it's about a memorable or significant effect on someone. Her commitment to charity work impressed everyone.