on a fool's errand

*on a fool's errand

Fig. involved in a useless journey or task. (*Typically: be ~; go ~.) Bill went for an interview, but he was on a fool's errand. The job had already been filled. I was sent on a fool's errand to buy some flowers. I knew the shop would be closed by then.

Common Names:

Name	Pronounced	Usage
Mcdermott	[mək'dɜ:mət]
Chyna	-	English (Modern)
Valery	[.vælə'ri:]
Gwil	-	Welsh
LÉAn	-	Irish
Florus	-	Ancient Roman