Answer: sputtered

AnswerCrossword Clue
SPUTTEREDSpoke incoherently
SPUTTEREDBumbled verbally
sputteredProceed or develop in a spasmodic and feeble way
sputteredDeposit (metal) on a surface by using fast ions to eject particles of it from a target
sputteredSpeak in a series of incoherent bursts as a result of indignation or some other strong emotion
sputteredSPUTTER, to jabber (to talk rapidly)
sputteredCover (a surface) with metal by this method
sputteredEmit with a spitting sound
sputteredMake a series of soft explosive sounds, typically when being heated or as a symptom of a fault