Dictionary.net

speak haltingly; "The speaker faltered when he saw his opponent enter the room"

To hesitate or stumble in uttering words; to speak with spasmodic repetition or pauses; to stammer.

The act of stuttering; a stammer. See Stammer, and Stuttering.

To speak with hesitation; to stammer.

Stutterer, stuttering.

To enunciate certain words with difficulty and with frequent halting and repetition of the initial consonant of a word or syllable; the cause is a spasm of the lingual and palatal muscles.

See Stammer.

To hesitate in speaking: to stammer.

The act of stuttering: a hesitation in speaking.

To utter with spasmodic hesitations or repetitions; stammer.

The act of stuttering.

Stutterer.

Hesitation in speech.

To stammer; to hesitate in uttering words.

To speak imperfectly with broken efforts of the voice; to hesitate in uttering words.

Hesitation in speaking; the broken efforts of the voice in imperfect speech.

n. The act of stuttering ; stammer.