To make involuntary stops in uttering syllables or words; to hesitate or falter in speaking; to speak with stops and difficulty; to stutter.
To utter or pronounce with hesitation or imperfectly; -- sometimes with out.
Defective utterance, or involuntary interruption of utterance; a stutter.
a speech disorder involving hesitations and involuntary repetitions of certain sounds
speak haltingly; "The speaker faltered when he saw his opponent enter the room"