Stammer

v. i.	1.	To make involuntary stops in uttering syllables or words; to hesitate or falter in speaking; to speak with stops and difficulty; to stutter. [imp. & p. p. Stammered (-mẽrd); p. pr. & vb. n. Stammering.] I would thou couldst stammer, that thou mightest pour this concealed man out of thy mouth, as wine comes out of a narrow-mouthed bottle, either too much at once, or none at all. - Shak.
v. t.	1.	To utter or pronounce with hesitation or imperfectly; - sometimes with out.
n.	1.	Defective utterance, or involuntary interruption of utterance; a stutter.

Noun	1.	stammer - a speech disorder involving hesitations and involuntary repetitions of certain sounds Synonyms: stutter
Verb	1.	stammer - speak haltingly; "The speaker faltered when he saw his opponent enter the room" Synonyms: stutter, bumble, falter

balbuties, be guilty, blush, change color, color, color up, crimson, dysphemia, 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