Found 2 items, similar to mutteringly.
English → English (WordNet) Definition: muttering muttering adj : speaking low and indistinctly; “a mumbling parson stood beside the dying man”; “muttering crowds of onlookers” [syn: mumbling] n 1: a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech [syn: mutter, murmur, murmuring, murmuration, mussitation] 2: a complaint uttered in a low and indistinct tone [syn: grumble, grumbling, murmur, murmuring, mutter]
English → English (gcide) Definition: Mutteringly Mutteringly \Mut"ter*ing*ly\, adv. With a low voice and indistinct articulation; in a muttering manner. [1913 Webster]