single-handedly

adverbe

1. 1

   Alone; without assistance; by oneself.

   She single-handedly organized the whole event, and even set up all the chairs herself.

   Charlie Chaplin, the poignant little tramp with the cane and comic walk who almost single — handedly elevated the novelty entertainment medium of motion pictures into art, died peacefully yesterday at his home in Switzerland[…]

   “Despite the surge in prices weighing on their purchasing power, the U.S. consumer now appears to be single-handedly keeping the global economy afloat,” Paul Ashworth, an economist at Capital Economics, wrote in a note.