The sound was but a dull murmur, barely recognizable.

The caller was male and he spoke against the dull murmur of back- ground conversations.

The room was empty, the cacophony from the ballroom a dull, distant murmur.

I heard the beating of a drum far away, and the low, dull murmur which an army makes upon the march.

She could hear the dull murmur of their voices outside, then nothing.

The dull murmur of talk had fallen off abruptly, the music faltered and then died.

The engines died away to a dull murmur.

Then a few voices rose above the dull murmurs.

The phrases came in little spurts falling back into the dull murmur of conversation.

For some time past a dull murmur from the crowd outside had penetrated to the Chamber.