#1 splutter n. [spatter, spattering, splatter, splattering, sputter, sputtering] the noise of something spattering or sputtering explosively; "he heard a spatter of gunfire". wn #2 splutter v. [sputter] utter with a spitting sound, as if in a rage. wn #3 splutter n. [sputter] an utterance (of words) with spitting sounds (as in rage). wn #4 splutter v. [sputter, spit out] spit up in an explosive manner. wn