Synonyms: thunderous
Definition: extremely ominous
Usage: world events of thunderous import
Similar words: unpropitious
Definition: not propitious
Synonyms: thunderous, thundery, earsplitting, deafening
Definition: loud enough to cause (temporary) hearing loss
Similar words: loud
Definition: characterized by or producing sound of great volume or intensity
Usage: a group of loud children; loud thunder; her voice was too loud; loud trombones