Ant. Absence, dislodgment, displacement, non-assignment.

Skeptic. Agnostic, doubter, freethinker, infidel, unbeliever, deist, atheist, disbeliever.

Ant. Christian, believer.

Sketch, n. Outline, picture, design, drawing, draft; skeleton, plan, brief.

Skilful. Expert, dexterous, apt, handy, adroit, clever, deft, proficient, skilled, trained, accomplished, happy, ingenious, practiced; adept, masterly, cunning.

Ant. Unskilled, clumsy, inexpert, unskilful, unintelligent, awkward, incompetent, unprepared, untrained, unable, untaught, bungling, helpless, maladroit, shiftless.

Slander, v. Defame, disparage, depreciate, malign, asperse, calumniate, libel, vilify, revile, traduce, decry, backbite.

Ant. Extol, eulogize, laud, praise, vindicate, defend.

Slang. Vulgarity, cant, colloquialism, vulgarism.

Ant. Diction, language.