[1] : The Collaborative International Dictionary of English v.0.48

thunderous \thun"derous\, a. written also thundrous.
   1. producing thunder. r.
      1913 webster

            how he before the thunderous throne doth lie.
                                                  --milton.
      1913 webster

   2. making a noise like thunder; sounding loud and deep;
      sonorous.
      1913 webster -- thun"derously, adv.
      1913 webster
see also:
thun"derously 

[2] : WordNet (r) 2.0

thunderous
     adj 1: loud enough to cause temporary hearing loss syn: deafening,
             earsplitting, roaring, thundery
     2: extremely ominous; "world events of thunderous import"
see also:
deafening earsplitting roaring thundery 

[3] : Moby Thesaurus II by Grady Ward, 1.0

35 moby thesaurus words for "thunderous":
   booming, cannonading, deafening, ear-piercing, ear-rending,
   ear-splitting, earthshaking, forte, fortissimo, full, fulminating,
   loud, loud-sounding, loudish, noisy, pealing, piercing, plangent,
   resounding, ringing, roaring, rolling, rumbling, sonorous,
   stentoraphonic, stentorian, stentorious, thundering, thunderlike,
   thundery, tonitruant, tonitruous, tumultuous, volleying,
   window-rattling

Thunderous >> T Words
Thunderous, definition of term: Thunderous
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