'Thunderous' definitions:

Definition of 'thunderous'

From: WordNet
adjective
Loud enough to cause (temporary) hearing loss [syn: deafening, earsplitting, thunderous, thundery]
adjective
Extremely ominous; "world events of thunderous import"

Definition of 'Thunderous'

From: GCIDE
  • Thunderous \Thun"der*ous\, 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"der*ous*ly}, adv. [1913 Webster]

Synonyms of 'thunderous'

From: Moby Thesaurus