1.
[syn: mutterer, mumbler, murmurer]
The Collaborative International Dictionary of English v.0.48:
Mutterer \Mut"ter*er\, n.
One who mutters.
[1913 Webster]
WordNet (r) 3.0 (2006):
mutterer
n 1: a person who speaks softly and indistinctly [syn:
mutterer, mumbler, murmurer]
Moby Thesaurus II by Grady Ward, 1.0:
23 Moby Thesaurus words for "mutterer":
bellyacher, complainant, complainer, crab, crank, croaker,
faultfinder, frondeur, griper, grouch, grouser, growler, grumbler,
kicker, kvetch, malcontent, murmurer, querulous person,
reactionary, reactionist, rebel, sorehead, whiner