SG Heritage Dictionary

Stuttering [Participle present tense] Webster's Dictionary 1828

Stuttering [Adjective] Webster's Dictionary 1913

Stuttering [Noun] Webster's Dictionary 1913

The act of one who stutters; -- restricted by some physiologists to defective speech due to inability to form the proper sounds, the breathing being normal, as distinguished from stammering.

Stuttering [Present participle and verbal noun] Webster's Dictionary 1913

of Stutter

Stutteringly [Adverb] Webster's Dictionary 1828

With stammering.