Slickest

adjective, slicker, slickest.
1.
smooth and glossy; sleek.
2.
smooth in manners, speech, etc.; suave.
3.
sly; shrewdly adroit:
He’s a slick customer, all right.
4.
ingenious; cleverly devised:
a slick plan to get out of work.
5.
slippery, especially from being covered with or as if with ice, water, or oil.
6.
deftly executed and having surface appeal or sophistication, but shallow or glib in content; polished but superficial; glib:
a writer who has mastered every formula of slick fiction.
7.
Slang. wonderful; remarkable; first-rate.
noun
8.
a smooth or slippery place or spot or the substance causing it:
oil slick.
9.
Informal.

a magazine printed on paper having a more or less glossy finish.
such a magazine regarded as possessing qualities, as expensiveness, chic, and sophistication, that hold appeal for a particular readership, as one whose members enjoy or are seeking affluence.
such a magazine regarded as having a sophisticated, deftly executed, but shallow or glib literary content.
Compare pulp (def 6).

10.
any of various paddlelike tools for smoothing a surface.
11.
Automotive. a wide tire without a tread, used in racing.
12.
Military Slang. a helicopter.
adverb
13.
smoothly; cleverly.
adjective
1.
flattering and glib: a slick salesman
2.
adroitly devised or executed: a slick show
3.
(informal, mainly US & Canadian) shrewd; sly
4.
(informal) superficially attractive: a slick publication
5.
(mainly US & Canadian) smooth and glossy; slippery
noun
6.
a slippery area, esp a patch of oil floating on water
7.
a chisel or other tool used for smoothing or polishing a surface
8.
the tyre of a racing car that has worn treads
verb (transitive)
9.
(mainly US & Canadian) to make smooth or sleek
10.
(US & Canadian, informal) (usually foll by up) to smarten or tidy (oneself)
11.
(often foll by up) to make smooth or glossy
slice and dice