unintelligibly

I fear I have written very unintelligibly, for it is rather late, and I am so cold that my thoughts are almost frozen.

The frightened priest gibbered unintelligibly, but there was a guilty look on his face which spurred Shabako on.

Muttering unintelligibly, he cast it off the pin to which it was belayed.

The door closed, and the old man sat there for fully five minutes, muttering unintelligibly.

Garth waved him away; watched him retreat towards the stairs, squinting his beady eyes, mouthing unintelligibly.