single-handed

adjective
UK /ˌsɪŋ.ɡəlˈhæn.dɪd/
US /ˌsɪŋ.ɡəlˈhæn.dɪd/

Done by one person alone.

She sailed the boat single-handed across the ocean.


OTHER MEANINGS

2. Using only one hand.

He caught the ball single-handed.

3. Working without help from others.

The nurse ran the clinic single-handed.

4. Done by one person rather than a team.

It was a single-handed effort to rebuild the shed.