| 1. | smooth or glossy, as hair, an animal, etc. |
| 2. | well-fed or well-groomed. |
| 3. | trim and graceful; finely contoured; streamlined: a sleek sports car. |
| 4. | smooth in manners, speech, etc.; suave. |
| 5. | cleverly or deceitfully skillful; slick: a sleek confidence man. |