vague

It follows from what has been said that a vague thought has more likelihood of being true than a precise one. To try and hit an object with a vague thought is like trying to hit the bull's eye with a lump of putty: when the putty reaches the target, it flattens out all over it, and probably covers the bull's eye along with the rest. To try and hit an object with a precise thought is like trying to hit the bull's eye with a bullet. The advantage of the precise thought is that it distinguishes between the bull's eye and the rest of the target.

a vague term of abuse

only a vague notion of what’s needed

a vague longing

Waxed-fleshed out-patients / Still vague from accidents, / And characters in long coats / Deep in the litter-baskets […]

He walked. To the corner of Hamilton Place and Picadilly, and there stayed for a while, for it is a romantic station by night. The vague and careless rain looked like threads of gossamer silver passing across the light of the arc-lamps.

The Lord Gray incourag'd his men to set sharply upon the vague villains