/ slɪk; NAmE / adjective , noun , verb
■ adjective ( slick·er , slick·est )
1.
(sometimes disapproving ) done or made in a way that is clever and efficient but often does not seem to be sincere or lacks important ideas :
a slick advertising campaign
a slick performance
2.
(sometimes disapproving ) speaking very easily and smoothly but in a way that does not seem sincere
SYN glib :
slick TV presenters
a slick salesman
3.
done quickly and smoothly
SYN skilful :
The crowd enjoyed the team's slick passing.
a slick gear change
4.
smooth and difficult to hold or move on
SYN slippery :
The roads were slick with rain.
► slick·ly adverb :
The magazine is slickly produced.
► slick·ness noun [ U ]
■ noun
1.
(also ˈoil slick ) an area of oil that is floating on the surface of the sea
2.
a small area of sth wet and shiny :
a slick of sweat
■ verb
[ vn + adv. / prep. ] [ usually passive ] to make hair very flat and smooth by putting oil, water, etc. on it :
His hair was slicked back / down with gel.
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WORD ORIGIN
Middle English (in the senses glossy and make smooth or glossy ): probably from Old English and related to Old Norse slíkr smooth; compare with sleek .