1. (v.i.)sputter to make explosive popping or sizzling sounds.
2. sputter to emit particles, sparks, etc., explosively.
3. sputter to eject particles of saliva, food, etc., from the mouth, as when speaking angrily or excitedly.
4. sputter to utter words explosively or incoherently, as when angry or flustered.
5. (v.t.)sputter to eject forcibly and in small particles, as if by spitting.
6. sputter to utter explosively and incoherently.
7. (n.)sputter the act or sound of sputtering.
8. sputter explosive, incoherent utterance.
Etymology: (1590–1600; prob. < D sputteren (akin to spout , spit1))
Definition of 'sputter'
Princeton's WordNet
1. (noun)spatter, spattering, splatter, splattering, sputter, splutter, sputtering the noise of something spattering or sputtering explosively "he heard a spatter of gunfire"
2. (verb)sputter, splutter an utterance (of words) with spitting sounds (as in rage)
3. (verb)sputter make an explosive sound "sputtering engines"
4. (verb)sputter cause to undergo a process in which atoms are removed "The solar wind protons must sputter away the surface atoms of the dust"
5. (verb)clamber, scramble, shin, shinny, skin, struggle, sputter climb awkwardly, as if by scrambling
6. (verb)sputter, splutter utter with a spitting sound, as if in a rage
7. (verb)splutter, sputter, spit out spit up in an explosive manner
1. (verb)sputter to make a series of short dry sounds The engine sputtered and stopped.
Definition of 'sputter'
Webster Dictionary
1. (noun)sputter moist matter thrown out in small detached particles; also, confused and hasty speech
2. (verb)sputter to spit, or to emit saliva from the mouth in small, scattered portions, as in rapid speaking
3. (verb)sputter to utter words hastily and indistinctly; to speak so rapidly as to emit saliva
4. (verb)sputter to throw out anything, as little jets of steam, with a noise like that made by one sputtering
5. (verb)sputter to spit out hastily by quick, successive efforts, with a spluttering sound; to utter hastily and confusedly, without control over the organs of speech
Definitions of sputter 
