slick

1 having or being a surface so smooth as to greatly reduce traction roads are often slick during the first hour of a rainstorm Synonyms greased, greasy, lubricated, oiled, slicked, slippery, slippy, slithery Related Words brushed, buffed, burnished, glossed, ground, polished, rubbed, shined; coated, glazed, waxed; soapy, waxy; rasped, sandblasted, sanded, sandpapered, scoured, scraped, scrubbed Near Antonyms coarsened, rough, roughened, scuffed, uneven

2 clever at attaining one's ends by indirect and often deceptive means a slick ad campaign that made smoking look cool and sexy Synonyms beguiling, cagey (also cagy), crafty, cunning, cute, designing, devious, dodgy [chiefly British], foxy, guileful, scheming, shrewd, artful, sly, subtle, tricky, wilyRelated Words astute, facile, glib, sharp; crooked, deceitful, deceptive, dishonest, fraudulent, insinuating, knavish, Machiavellian, oblique, serpentine, shady, shifty, slippery, sneaky, treacherous, underhand, underhanded, unscrupulous; backhanded, double-dealing, hypocritical, insincere, left-handed, mealy, mealymouthed, smooth-tongued, two-faced; circuitous, circular, roundabout; clandestine, concealed, covert, furtive, hugger-mugger, secret, stealthy, surreptitious, undercover; calculating, plottingNear Antonyms obvious, open, patent, plain, public, unconcealed; aboveboard, candid, direct, forthright, frank, honest, natural, outspoken, plainspoken, real, simple, sincere, straightforward, unaffected, unpretending, unpretentious, unvarnished; childlike, impressionable, simpleminded, unsophisticated, unworldly; unforced, unstudied; trustful, trustingAntonyms artless, guileless, ingenuous, innocent, undesigning

3 of the very best kind that's a slick new suit you have on Synonyms A-OK, A1, awesome, bang-up, banner, beautiful, blue-chip, blue-ribbon, boffo, bonny (also bonnie) [chiefly British], boss [slang], brag, brave, bully, bumper, capital, choice, classic, cool [slang], corking, crackerjack, cracking, dandy, divine, dope [slang], down [slang], dynamite, fab, fabulous, famous, fantabulous [slang], fantastic, fine, first-class, first-rate, first-string, five-star, four-star, frontline, gangbusters (also gangbuster), gilt-edged (or gilt-edge), gone [slang], grand, great, groovy, heavenly, high-class, hot, hype [slang], immense, jim-dandy, keen, lovely, marvelous (or marvellous), mean, neat, nifty, noble, number one (also No. 1), numero uno, out-of-sight [slang], par excellence, peachy, peachy keen, phat [slang], prime, primo [slang], prize, prizewinning, quality, radical [slang], righteous [slang], sensational, excellent, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-flight, top-notch, top-of-the-line, topping [chiefly British], top-shelf, unsurpassed, wizard [chiefly British], wonderfulRelated Words acceptable, adequate, all right, decent, good, OK (or okay), passable, satisfactory, tolerable; better, exceptional, fancy, high-grade, high-test, premium, select, special, superfine; classical, standard, traditionalNear Antonyms bad, inferior, low-grade, substandard, unsatisfactory; mediocre, middling, second-class, second-rateAntonyms atrocious, awful, execrable, lousy, pathetic, poor, rotten, terrible, vile, wretched