half-doneerrand
nounUK /ˌhɑːfˈdʌn ˈerənd/
US /ˌhæfˈdʌn ˈerənd/
A half-done errand is a job you started but did not finish.
Going to the store but forgetting the milk turned my trip into a half-done errand.
OTHER MEANINGS
2. A quick trip that was cut short before it was finished.
The rain made my walk to the post office a half-done errand.
3. Something you meant to do but only partly did.
Filling the bird feeder was a half-done errand because I ran out of seed.
4. A small job left waiting to be completed.
The half-done errand of returning the library book sat on my desk all week.