of, pertaining to, or accompanied by thunder.
producing a noise or effect like thunder.
very great; extraordinary: a thundering amount of work.

before 1100; Middle English thundring, Old English thunring thunder. See thunder, -ing2, -ing1

thunderingly, adverb
unthundering, adjective Unabridged


a loud, explosive, resounding noise produced by the explosive expansion of air heated by a lightning discharge.
any loud, resounding noise: the thunder of applause.
a threatening or startling utterance, denunciation, or the like.
verb (used without object)
to give forth thunder (often used impersonally with it as the subject): It thundered last night.
to make a loud, resounding noise like thunder: The artillery thundered in the hills.
to utter loud or vehement denunciations, threats, or the like.
to speak in a very loud tone.
to move or go with a loud noise or violent action: The train thundered through the village.
verb (used with object)
to strike, drive, inflict, give forth, etc., with loud noise or violent action.
steal someone's thunder,
to use for one's own purposes and without the knowledge or permission of the originator the inventions or ideas of another.
to ruin or detract from the effect of a performance, remark, etc., by anticipating it.

before 900; (noun) Middle English thonder, thunder, Old English thunor; cognate with Dutch donder, German Donner; Old Norse thōrr Thor, literally, thunder; (v.) Middle English thondren, Old English thunrian, derivative of the v.; akin to Latin tonāre to thunder

thunderer, noun
thunderless, adjective
outthunder, verb (used with object) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To thundering
World English Dictionary
thunder (ˈθʌndə)
1.  a loud cracking or deep rumbling noise caused by the rapid expansion of atmospheric gases which are suddenly heated by lightning
2.  any loud booming sound
3.  rare a violent threat or denunciation
4.  steal someone's thunder to detract from the attention due to another by forestalling him or her
5.  to make (a loud sound) or utter (words) in a manner suggesting thunder
6.  (intr; with it as subject) to be the case that thunder is being heard
7.  (intr) to move fast and heavily: the bus thundered downhill
8.  (intr) to utter vehement threats or denunciation; rail
[Old English thunor; related to Old Saxon thunar, Old High German donar, Old Norse thōrr; see Thor, Thursday]

thundering (ˈθʌndərɪŋ)
slang (prenominal) very great or excessive: a thundering idiot

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

O.E. þunor, from P.Gmc. *thunraz (cf. O.N. þorr, O.Fris. thuner, M.Du. donre, Du. donder, O.H.G. donar, Ger. Donner "thunder"), from PIE *(s)tene- "to resound, thunder" (cf. Skt. tanayitnuh "thundering," Pers. tundar "thunder," L. tonare "to thunder"). Swed. tordön is lit. "Thor's din."
The intrusive -d- is also found in Du. and Icelandic versions of the word. The verb is O.E. þunrian; fig. sense of "to speak loudly, threateningly, bombastically" is recorded from c.1340. Thunderbolt is from c.1440; thunderclap is from c.1386; thunderstruck is from 1613, originally fig.; the lit. sense always has been rare. Thunderhead "high-piled cloud" is recorded from 1861.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
thunder   (thŭn'dər)  Pronunciation Key 
The explosive noise that accompanies a stroke of lightning. Thunder is a series of sound waves produced by the rapid expansion of the air through which the lightning passes. Sound travels about 1 km in 3 seconds (about 1 mi in 5 seconds). The distance between an observer and a lightning flash can be calculated by counting the number of seconds between the flash and the thunder. See Note at lightning.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

thunder definition

The noise created when air rushes back into a region from which it has been expelled by the passage of lightning.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Bible Dictionary

Thunder definition

often referred to in Scripture (Job 40:9; Ps. 77:18; 104:7). James and John were called by our Lord "sons of thunder" (Mark 3:17). In Job 39:19, instead of "thunder," as in the Authorized Version, the Revised Version translates (ra'amah) by "quivering main" (marg., "shaking"). Thunder accompanied the giving of the law at Sinai (Ex. 19:16). It was regarded as the voice of God (Job 37:2; Ps. 18:13; 81:7; comp. John 12:29). In answer to Samuel's prayer (1 Sam. 12:17, 18), God sent thunder, and "all the people greatly feared," for at such a season (the wheat-harvest) thunder and rain were almost unknown in Palestine.

Easton's 1897 Bible Dictionary
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Example sentences
But amid the thundering ten-foot waves and shattering spray, hundreds of
  northern fur seals played with nimble abandon.
Actually, he noticed the absence of something: the thundering roar of the falls.
Kids could position themselves and watch the ants come thundering down on their
The memory ignited a thundering laugh that filled the room.
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