'Thundery' definitions:

Definition of 'thundery'

From: WordNet
adjective
Loud enough to cause (temporary) hearing loss [syn: deafening, earsplitting, thunderous, thundery]
adjective
Accompanied with thunder

Definition of 'Thundery'

From: GCIDE
  • Thundery \Thun"der*y\, a. Accompanied with thunder; thunderous. [R.] "Thundery weather." --Pennant. [1913 Webster]