Intelligent/ɪnˈtelɪdʒənt/ Definition 1 of 3Pro Tip 1/3Speed of Understanding Intelligent often emphasizes quick learning ability, not just overall mental capacity. Her intelligent mind solved the puzzle in seconds. Pro Tip 2/3Not Just Academics Intelligent can refer to street-smarts and practical knowledge, not just book learning. He's intelligent at dealing with real-world problems. Pro Tip 3/3Praise and Compliment Calling someone intelligent is a high compliment, so use it sincerely. I admire her; she’s an intelligent leader.