grum
ble
Third Person
grumbles
Present Participle
grumbling
Past Tense
grumbled
Past Participle
grumbled
1
to complain quietly or softly, often in a way that others cannot hear or understand
- She is grumbling because her favorite show is canceled.
- He was grumbling under his breath during the meeting.
- He tends to grumble about the weather whenever it rains.
- She grumbled under her breath when she missed the bus.
- He often grumbles when things do not go his way.
2
to emit a low, continuous sound
- The distant thunder began to grumble as the storm approached.
- After a long day of hiking, their stomachs started to grumble audibly.
- The old water pipes in the house would often grumble ominously in the night.
- The old car engine would grumble loudly before finally starting up on cold mornings.
- As the wind picked up, the shutters on the old house began to grumble against the frame.
3
to express dissatisfaction or annoyance about something to someone else
transitive
- He grumbled his discontent with the service at the restaurant.
- The workers grumbled their concerns to the manager.
- She is grumbling at her coworkers for not helping with the project.
- They have grumbled their complaints about the project delays.
- She is grumbling her frustrations about the new schedule.