One entry found for set off.
Main Entry: set off
Function: verb 1 a: to cause to show up clearly <bright flowers set off by dark shadows> b: to separate from others : make noticeable <a direct quotation set off by quotation marks> 2 a: to cause to go off or explode <set off an alarm> <set off a firecracker> b: to cause to start : BEGIN <set an argument off by your remarks> 3: to start out on a course or a trip <set off for home> <set off in a boat> <set off on a journey>