screwdriver /ˈskɹuˌdɹaɪvɚ/noun 2forms 1phrases 1 noun2 •A hand tool or power tool which engages with the head of a screw and allows torque to be applied to turn the screw, thus driving it in or loosening it. •A cocktail made of vodka and orange juice.Celestial asked for a screwdriver and the bartender poured a good four fingers of Smirnoff into a flimsy cup before opening a can of juice. — 2018 formsscrewdrivers Phrases with screwdriver long screwdriverInterference (usually in military matters) by politicians.