Pronunciation: /ˈɡrʌmblɪŋ/
noun a low, indistinct, continuous sound
A1 The grumbling of my stomach reminded me that it was time for lunch.
A2 The grumbling from the engine indicated that there might be a problem.
B1 There was a lot of grumbling among the employees about the new overtime policy.
B2 Despite the grumbling of the audience, the comedian continued with his set.
C1 The constant grumbling of complaints from the customers was starting to wear on the manager.
C2 The grumbling of discontent within the political party eventually led to a split.
verb to complain or protest about something in a bad-tempered but typically muted way
A1 She was grumbling about the long line at the grocery store.
A2 The students were grumbling quietly during the boring lecture.
B1 The workers were grumbling about the new company policies.
B2 The passengers were grumbling loudly about the delayed flight.
C1 Despite her grumbling, she still managed to finish the project on time.
C2 His constant grumbling about the government's decisions was starting to annoy his friends.
formal Despite their grumbling, the employees continued to work diligently.
informal Stop grumbling and just get on with it!
slang The kids were grumbling about having to do their chores.
figurative The storm clouds overhead seemed to be grumbling with thunder.
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