Sputtery is a word that is often used to describe a machine or engine that is not functioning properly and is producing irregular bursts of power. Some synonyms for the word sputtery include spluttering, stuttering, misfiring, spitting, and hiccupping. These words are often used interchangeably, but they all describe a similar problem with a machine or engine. Sputtery can also be used to describe a person's speech when they are having trouble getting their words out smoothly, and in this context, synonyms could include stammering, stuttering, hesitating, and faltering. Overall, sputtery is a useful word that can be applied to a wide range of situations where something is not working as it should.