Grumbling

noun, verb

Definitions

Adjective
  1. 1
    continuous full and low-pitched throbbing sound wordnet
Noun
  1. 1
    complaining

    "the grumblings of a bad-tempered man"

  2. 2
    a complaint uttered in a low and indistinct tone wordnet
  3. 3
    rumbling
  4. 4
    a loud low dull continuous noise wordnet
Verb
  1. 1
    present participle and gerund of grumble form-of, gerund, participle, present

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