slag, n. scoria, cinders, recrement, [dross], [refuse].
slake, v. [quench]; [slack]; [abate], [decrease], [allay].
slam-bang, adv. (Collog.) violently, forcibly, noisily, loudly.
slander, v. malign, [defame], traduce, asperse, [vilify], calumniate, [backbite], [scandalize], [libel].
slander, n. [defamation], calumny, aspersion, [libel], vilification, [scandal], [abuse], traducement, [backbiting], roorback, vituperation.
slanderous, a. [defamatory], [malicious], vituperative, calumnious, [libellous].
slant, n. [slope], [incline], [inclination], obliquity.--v. [slope], [incline].
slanting, a. [sloping], oblique, [slant].--n. obliquity, [inclination], [tilt].
slap, n. [cuff], buffet.--v. [box], [cuff], buffet.
slap, adv. (Colloq.) suddenly, violently, unceremoniously, [instantly].