chuntered
/ˈtʃʌntərd/
verb
- To complain or grumble in a low, muttering voice.
- She chuntered quietly when her favorite show was interrupted.
- The old man chuntered under his breath as he waited in line.
- He chuntered about the cold weather all morning.
- To make a low, repetitive rumbling or humming sound.
- The refrigerator chuntered softly in the corner of the kitchen.
- The boat's motor chuntered across the calm lake.
- The old engine chuntered as it struggled up the hill.