He formed a vague plan of writing a letter to the king.
"It's the same vague plan we've been hearing about for months."
His vague plan was to head over to the condominiums and see if he could find a car there.
He fell asleep at last with a vague plan in his mind.
Discussing vague plans, they traveled on well into the night.
A vague plan was already taking shape in his brain.
I had a vague plan to try to noose it.
A vague plan was coming into focus, but only the outlines.
With the beginning of hope, a vague plan was forming in his mind.
We'd spoken on the phone a few times, always with vague plans to "get together."