オートマチックシフトMeanings1nounautomatic transmissionRefers to the automatic gear-shifting mechanism in vehicles. Often contrasted with マニュアルシフト (manual transmission).See also: マニュアルシフトこの車くるまはオートマチックシフトだから運うん転てんが楽らくだ。This car has an automatic transmission, so it's easy to drive.