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Definition of Single-handedly
1. Adverb. Without assistance. "I built this house single-handedly" 
Exact synonyms: Single-handed
Definition of Single-handedly
1. Adverb. Alone; without assistance; by oneself. ¹
¹ Source: wiktionary.com
|  | 
1. Adverb. Without assistance. "I built this house single-handedly" 
1. Adverb. Alone; without assistance; by oneself. ¹
¹ Source: wiktionary.com