1. most characterized by a deep, resonant sound
Usage: superlative form of boomy

Examples

• The cathedral had the boomiest acoustics of any building I’d visited.
• His voice sounded boomiest when he spoke from the basement.
• The boomiest drums in the orchestra section dominated the performance.
• That’s the boomiest sound system in the entire auditorium.
• The cave produced the boomiest echo when we shouted.