Definition of sonorous adjective from the Oxford Advanced American Dictionary

 

sonorous

 adjective
adjective
NAmE//ˈsɑnərəs//
 
(formal)
 
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having a pleasant, full, deep sound a sonorous voice
NAmE//səˈnɔrət̮i//
 
, NAmE//səˈnɑrət̮i//
 
noun [uncountable, countable] the rich sonority of the bass
 
adverb
See the Oxford Advanced Learner's Dictionary entry: sonorous