i Register
In some senses, sleek is marked as dated, colloquial. Watch for register when choosing this word.
ADJ.
black, durable, jet-black, new, new, shiny, stylish, white
VERB + SLEEK
chose, favour, grow, hear, like, mouths, topped, wanted
SLEEK + NOUN
expressways, fur, gown, granite, hair, handbag, laptop, mink
PREP.
out, with