Found 2 items, similar to single-handedly.
English → English (WordNet) Definition: single-handedly single-handedly adv : without assistance; “I built this house single-handedly” [syn: single-handed]
English → English (gcide) Definition: single-handedly single-handedly \sin“gle-hand”ed*ly\, adv. By oneself; alone; unassisted. [PJC]