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thunder noun

  /ˈθʌndə/ , /ˈθʌndɚ/
  • The loud rumbling, cracking, or crashing sound caused by expansion of rapidly heated air around a lightning bolt.
 tonnerre

thunderous adjective

  /ˈθan.də.ɹəs/ , /ˈθʌn.də.ɹəs/ , /ˈθʌn.dɚ.əs/
  • Very loud; that sounds like thunder; thundersome. Also in metaphorical expressions, signifying fury.
 tonitruant

thunder verb

  /ˈθʌndə/ , /ˈθʌndɚ/
  • (intransitive) To make a noise like thunder.
 tonner
  • (intransitive, transitive) To say (something) with a loud, threatening voice.
 tonitruer
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