slick /slɪk/noun 11adjective 6verb 1forms 5phrases 4 noun11 •A covering of liquid, particularly oil.Careful in turn three — there's an oil slick on the road.The oil slick has now spread to cover the entire bay, critically endangering the sea life. •A tire with a smooth surface instead of a tread pattern, often used in auto racing.You'll go much faster if you put on slicks. •(slang) A silver coin that has been worn to the point its surface feels smooth to the touch.a slick doesn’t really give you anything except the satisfaction of owning it, while the hole gives you satisfaction if actually being able to see something — 2021 •Someone who is clever and untrustworthy. •(slang) A glossy magazine.Many of the stories in SSB [Sex Behind Bars] first appeared in gay slicks, Mandate, Honcho, First Hand, et al. — 1981 •A tool used to make something smooth or even. •A wide paring chisel used in joinery. •(US, slang) A helicopter. •A camera-ready image to be used by a printer. The "slick" is photographed to produce a negative image which is then used to burn a positive offset plate or other printing device.The project was delayed because the slick had not been delivered to the printer. •(slang) In omegaverse fiction, the copious, lubricating bodily fluid produced by an omega in heat.I spent two fucking days locked up in that hotel room, miserable and hating myself and drenched in my own slick! — 2017 •(US, old-fashioned) A rapidly-expanding ring of dark water, resembling an oil slick, around the site of a large underwater explosion at shallow depth, marking the progress through the water of the shock wave generated by the explosion. adjective6 •Slippery or smooth due to a covering of liquid; often used to describe appearances.This rain is making the roads slick.The top coating of lacquer gives this finish a slick look. •Sleek; smooth.Both slick and dainty. — 1611 •Superficially convincing but actually untrustworthy.That new sales rep is slick. Be sure to read the fine print before you buy anything. •Appearing expensive or sophisticated.They read all kinds of slick magazines. •Clever, making an apparently hard task look easy.Our new process for extracting needles from haystacks is extremely slick.That was a slick move, locking your keys in the car. •(US) Extraordinarily great or special.That is one slick bicycle: it has all sorts of features! verb1 •To make slick.The surface had been slicked. formsslicked · slicking · slicks · slicker · slickest Phrases with slick slick backTo make hair flat by putting oil, water, etc. on it. slick downTo make hair flat by putting oil, water, etc. on it. slick RickA fast-talker, charmer, or clever person. slick upTo clean up or organize (something).