I. ˈslēk verb
Etymology: Middle English sleken, alteration of sliken — more at slick
Date: 15th century
transitive verb
1. : slick
grooms sleek ing cooled horses — Sunset
2. : to cover up : gloss over
intransitive verb
: slick
II. adjective
Etymology: alteration of slick (II)
Date: 1578
1.
a. : smooth and glossy as if polished
sleek dark hair
b. : having a smooth well-groomed look
sleek cattle
c. : healthy-looking
2. : smooth in speech or manner ; also : unctuous
3.
a. : having a prosperous air
sleek luxury condominiums
b. : having trim graceful lines
a sleek car
c. : elegant , stylish
a sleek wardrobe
• sleek·ly adverb
• sleek·ness noun
Synonyms:
sleek , slick , glossy mean having a smooth bright surface or appearance. sleek suggests a smoothness or brightness resulting from attentive grooming or physical conditioning
a sleek racehorse
slick suggests extreme smoothness that results in a slippery surface
slipped and fell on the slick floor
glossy suggests a highly reflective surface
photographs having a glossy finish