Definitions

1. adjective

having a smooth and shiny surface, or being smoothly and skillfully done

“The sleek new sports car caught everyone’s attention.”

2. noun

a smooth, shiny, or slippery surface

“The sleek ice on the frozen pond made it difficult to skate.”

3. verb

to make something smooth and shiny, or to make something run smoothly

“The mechanic had to sleek the engine to get it running properly.”