Synonyms:
- assertive,
- boom,
- booming,
- consonant,
- deafening,
- ear-piercing,
- ear-rending,
- ear-splitting,
- earthshaking,
- echo,
- echoic,
- echoing,
- forceful,
- forte,
- fortissimo,
- full,
- growl,
- growling,
- grumble,
- grumbling,
- insistent,
- lingering,
- loud,
- loud-sounding,
- loudish,
- orotund,
- pealing,
- persistent,
- piercing,
- plangent,
- reboant,
- reboation,
- rebound,
- rebounding,
- reecho,
- reechoing,
- repercussive,
- resound,
- reverberant,
- reverberating,
- reverberation,
- reverberatory,
- ringing,
- rotund,
- round,
- rumble,
- rumbling,
- sonorous,
- sounding,
- stentoraphonic,
- stentorian,
- stentorious,
- thunder,
- thundering,
- thunderous,
- tonitruant,
- tonitruous,
- undamped,
- vibrant,
- window-rattling