(a.) Saving labor; adapted to supersede or diminish the labor of men; as, labor-saving machinery.

Byzantine Machiavellian Machiavellic Scotch acute adroit arch artful astute cagey calculating careful cautious chary cheeseparing circumspect clever conserving crafty cunning cute deceitful deep deep-laid deliberate designing devious dexterous diplomatic discreet economic economical economizing feline forehanded foxy frugal gingerly guarded guileful heedful hep hesitant ingenious insidious inventive judicious knowing labor-saving leaving out nothing mindful money-saving nimble-witted noncommittal on guard overlooking no possibility parsimonious pawky penny-wise politic provident prudent prudential quick quick-witted ready regardful resourceful safe saving scheming scrimping serpentine sharp sharp-witted shifty shrewd skimping slick slim slippery slow to act sly smart smooth snaky sneaky sophistical spare sparing stealthy strategic subtile subtle supple tactical tentative thorough thrifty time-saving trickish tricksy tricky unadventurous uncommunicative undaring unenterprising unprecipitate unwasteful vulpine wary wily