"In my country five signatures are barely adequate for any one document."
French production produced a barely adequate 10,000 shells a day.
The light he had to work by was barely adequate.
He's barely adequate as a swordsman and less than that using his hands.
He's barely adequate, but we don't seem to have much choice.
In fact, your leadership has been barely adequate at times.
The result is barely adequate (or in some cases inadequate) water resources where they are needed most.
The power was barely adequate and completely dependent upon the Empire.
The atmosphere was barely adequate; to be on the safe side they'd used support systems.
The rooms, which she had thought so large and airy, seemed barely adequate.