Screwdriver/ˈskruːdraɪvər/ Definition 1 of 2Pro Tip 1/3Tool Types There are many types of screwdrivers, each designed for a specific type of screw. You'll need a star-shaped screwdriver for these screws. Pro Tip 2/3Not Always Manual Screwdriver could refer to a manual tool or a powered one, like a drill. For this job, you should use an electric screwdriver. Pro Tip 3/3Screwing Direction Remember the saying 'righty-tighty, lefty-loosey' when using a screwdriver. Turn the screwdriver to the right to tighten the screw.