single-handedly (Meaning)

Wordnet

single-handedly (r)

without assistance

The janitor single-handedly cleaned the mammoth building.
The brave soldier single-handedly fought off the invading force.
The resourceful engineer single-handedly designed and constructed the bridge.
The skilled doctor single-handedly performed a life-saving surgery.
The agile gymnast single-handedly scaled the towering wall.
The brilliant scientist single-handedly developed a groundbreaking cure.
The cunning thief single-handedly robbed the bank without leaving a trace.
The talented artist single-handedly painted a captivating masterpiece.
The determined climber single-handedly reached the summit of Mount Everest.
The fearless hero single-handedly rescued the hostages from the clutches of evil.

without assistance

separately, solely, alone, individually,independently, unassisted,single-handed, on one's own initiative, singly, by one's own bootstraps

jointly, cooperatively, collectively, mutually, conjointly, together, mutually, collectively, cooperatively, conjointly

The janitor single-handedly cleaned the mammoth building.

The brave soldier single-handedly fought off the invading force.

The resourceful engineer single-handedly designed and constructed the bridge.

The skilled doctor single-handedly performed a life-saving surgery.