1. smooth and shiny in appearance
2. having a smooth, streamlined shape or design

1. to make smooth and glossy

Examples

• The cat’s sleek black fur gleamed in the sunlight.
• She drove a sleek sports car down the highway.
• The new smartphone has a sleek, modern design.
• The seal’s sleek body cut through the water effortlessly.
• He sleeked back his hair with gel before the interview.
• The yacht’s sleek lines made it both beautiful and fast.