• (noun): The crashing or booming sound produced by rapidly expanding air along the path of the electrical discharge of lightning.
  • (noun): A sound that resembles or suggests thunder.
  • (verb-intransitive): To produce thunder.
  • (verb-intransitive): To produce sounds like thunder.
  • (verb-intransitive): To utter loud, vociferous remarks or threats.
  • (verb-transitive): To express violently, commandingly, or angrily; roar.

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Wordnet definitions

  • (noun): street names for heroin
  • (noun): a booming or crashing noise caused by air expanding along the path of a bolt of lightning
  • (noun): a deep prolonged loud noise
  • (verb): to make or produce a loud noise; "The river thundered below"; "The engine roared as the driver pushed the car to full throttle"
  • (verb): be the case that thunder is being heard; "Whenever it thunders, my dog crawls under the bed"
  • (verb): utter words loudly and forcefully; "`Get out of here,' he roared"
  • (verb): move fast, noisily, and heavily; "The bus thundered down the road"

Look up "thunder" to find its meanings and associations with other words and concepts


Thunder is the sound caused by lightning. Depending on the distance and nature of the lightning, it can range from a sharp, loud crack to a long, low rumble (brontide). The sudden increase in pressure and temperature from lightning produces rapid expansion of the air surrounding and within a bolt of lightning. In turn, this expansion of air creates a sonic shock wave, similar to a sonic boom, often referred to as a \"thunderclap\" or \"peal of thunder\".

Example Sentences

  • [Verse Three] Trees buckled like knees Continuing to build and break the seventh seal From the sky came firey hail, trains derailed Horseman hooded with sheets shaped in concrete War of the lion, voids thunder when I speak From their finger came lightning, striking the beast {* thunder*} Jail cell broken by the wise

  • "Where in thunder is she?" growled Tom, walking off in high dudgeon.

  • And do quick what they call thunder road strikes of hit and then sort of withdraw, rather than try to take it neighborhood by neighborhood, as we've seen some of the old World War II footage.

  • AS the flame runs very swiftly, it seems to carry along with it particles, which it could not so easily set on fire, and when any of these particles are drawn together, and heated to a certain degree, they at last take fire, with a sudden and great explosion, and thereby produce what we call a thunder Clap.

  • They were amazed and alarmed, to see us make, what they called thunder and lightning.

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