THESAURUS
Stammer
balbuties, be guilty, blush, change color, color, color up, crimson, dysphemia, falter, faltering, flush, gibber, halt, hammer, haw, hem, hem and haw, hesitate, hesitation, hum, hum and haw, jabber, look guilty, lurch, mammer, mantle, palilalia, pause, redden, splutter, sputter, squirm with self-consciousness, stagger, stammering, stumble, stutter, stuttering, topple, totter, traulism, turn red, wobble
ROGET THESAURUS
Stammer
Stammering
VB
stammer, stutter, hesitate, falter, hammer, balbutiate, balbucinate, haw, hum and haw, be unable to put two words together, mumble, mutter, maud, mauder, whisper, mince, lisp, jabber, gibber, sputter, splutter, muffle, mump, drawl, mouth, croak, speak thick, speak through the nose, snuffle, clip one's words, murder the language, murder the King's English, murder the Queen's English, mispronounce, missay.