It was an indescribable change, but Andrew knew that the man had opened his eyes.
The peculiar feelings one has who is a "runaway" are indescribable.
There was an indescribable menace in the forger's half-uttered threat.
There was indescribable rebuke in her slow emphasis of the words.
I had an indescribable sense that I ought to applaud, as if I were a public meeting.