GRE

sinister - evil

sinuous - winding; bending in and out; not morally honest :: winding

skeptic - doubter; person who suspends judgment until he has examined the evidence supporting a

skiff - small, light sailboat or rowboat

skimp - provide scantily; live very economically

skinflint - miser

skirmish - minor fight

skittish - lively; frisky

skulduggery - dishonest behavior

skulk - move furtively and secretly

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