single-handedly

• singlehandedly

From single-handed +‎ -ly.

single-handedly (not comparable)

1. Alone; without assistance; by oneself.

   Synonyms: see Thesaurus:by oneself

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

   • 1977 December 26, “Charlie Chaplin Dead at 88; Made the Film an Art Form”, in The New York Times‎:

     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 […]

   • 2022 May 17, Coral Murphy Marcos, “Retail sales rise for the fourth straight month as prices keep climbing.”, in The New York Times‎:

     “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.