cagey crafty shrewd slippery sneaky tricky wily collusive conniving contriving crooked cunning devious dishonest dodging duplicitous elusive equivocating evasive fly-by-night foxy fraudulent furtive insidious lying mendacious prevaricative prevaricatory roguish scheming shady shuffling slick slimy sly treacherous underhand unhonest unprincipled untruthful