A low sound associated with extended suffering, sorrow, and toil.
Heavily laden, as if to creak under the strain.
That groans.
Any low, indistinct sound, like that of running water.
The sound made by any condition which produces noisy, or turbulent, flow of blood through the heart.
A muttered complaint or protest; the expression of dissatisfaction in a low muttering voice; any expression of complaint or discontent.
Soft indistinct speech.
To say (something) indistinctly, to mutter.
To speak or make low, indistinguishable noise; to mumble, mutter.