IPA: /ˈɡrʌm.bəl/
KK: /ˈɡrʌmbl/
To complain quietly or in a low voice, often expressing dissatisfaction or annoyance.
She tends to grumble about the weather whenever it rains.
Past: grumbled
Past Participle: grumbled
A quiet complaint or expression of dissatisfaction, often made in a low voice.
He let out a grumble when he heard the news about the change in plans.
To complain or express dissatisfaction in a low voice or in a way that is not loud or direct.
She tends to grumble about the weather whenever it rains.
Past: grumbled
Past Participle: grumbled
Grumble originates from Middle English 'grumblen', which is a frequentative form of 'grum', meaning to murmur or complain. The word reflects the action of making low, muffled sounds of discontent.
Think of someone making low, muffled sounds of discontent when they are unhappy — that's what grumbling is all about.