sleek, slick, glossy mean having asmooth bright surface or appearance. sleek suggests a smoothness or brightness resulting from attentive grooming or physical conditioning.
1. smooth or glossy, as hair. 2. well-fed or well-groomed. 3. finely contoured; streamlined: asleeksports car. 4. smooth in manners, speech, etc.; suave.
Definition ofsleekadjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

SLEEK definition:smooth or glossy, as hair, an animal, etc. See examples of sleek used in a sentence.
If you describe someone as sleek, you mean that theylook rich and stylish. She works an array of different looks - from rock chick to sleek and sophisticated - in the stunning photo collection.

sleek, adj. & adv. meanings, etymology, pronunciation and more in the Oxford English Dictionary
[also moresleek; mostsleek] 1 : straight and smooth in design or shape thesleeklines of a sports car asleek, modern building 2 : smooth and shiny

Such details provide a deeper understanding and appreciation for Sleek Modern Penthouse Walls Decor Ideas.
To make smooth and glossy on the surface: as, tosleekor slick the hair. Technically— In currying and leather-dressing, to smooth the surface of (leather) by rubbing with an implement called a slicker.