1. in a loud, deep, resonant manner; with a booming sound or voice
2. in a prosperous or thriving manner; with rapid growth or success
Usage: informal

Examples

• The announcer spoke boomingly into the microphone, his voice filling the entire stadium.
• The bass drum sounded boomingly throughout the concert hall.
• Business was going boomingly after the new product launch.
• He laughed boomingly at the joke, drawing everyone's attention.
• The economy was expanding boomingly during that decade.
• The preacher's voice rang out boomingly from the pulpit.